19885800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 70709760

約数和(自身を除く): 50823960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 25, 30, 33, 40, 44, 46, 50, 55, 60, 66, 69, 75, 88, 92, 100, 110, 115, 120, 131, 132, 138, 150, 165, 184, 200, 220, 230, 253, 262, 264, 275, 276, 300, 330, 345, 393, 440, 460, 506, 524, 550, 552, 575, 600, 655, 660, 690, 759, 786, 825, 920, 1012, 1048, 1100, 1150, 1265, 1310, 1320, 1380, 1441, 1518, 1572, 1650, 1725, 1965, 2024, 2200, 2300, 2530, 2620, 2760, 2882, 3013, 3036, 3144, 3275, 3300, 3450, 3795, 3930, 4323, 4600, 5060, 5240, 5764, 6026, 6072, 6325, 6550, 6600, 6900, 7205, 7590, 7860, 8646, 9039, 9825, 10120, 11528, 12052, 12650, 13100, 13800, 14410, 15065, 15180, 15720, 17292, 18078, 18975, 19650, 21615, 24104, 25300, 26200, 28820, 30130, 30360, 33143, 34584, 36025, 36156, 37950, 39300, 43230, 45195, 50600, 57640, 60260, 66286, 72050, 72312, 75325, 75900, 78600, 86460, 90390, 99429, 108075, 120520, 132572, 144100, 150650, 151800, 165715, 172920, 180780, 198858, 216150, 225975, 265144, 288200, 301300, 331430, 361560, 397716, 432300, 451950, 497145, 602600, 662860, 795432, 828575, 864600, 903900, 994290, 1325720, 1657150, 1807800, 1988580, 2485725, 3314300, 3977160, 4971450, 6628600, 9942900, 19885800]

約数ペア:

[(1, 19885800), (2, 9942900), (3, 6628600), (4, 4971450), (5, 3977160), (6, 3314300), (8, 2485725), (10, 1988580), (11, 1807800), (12, 1657150), (15, 1325720), (20, 994290), (22, 903900), (23, 864600), (24, 828575), (25, 795432), (30, 662860), (33, 602600), (40, 497145), (44, 451950), (46, 432300), (50, 397716), (55, 361560), (60, 331430), (66, 301300), (69, 288200), (75, 265144), (88, 225975), (92, 216150), (100, 198858), (110, 180780), (115, 172920), (120, 165715), (131, 151800), (132, 150650), (138, 144100), (150, 132572), (165, 120520), (184, 108075), (200, 99429), (220, 90390), (230, 86460), (253, 78600), (262, 75900), (264, 75325), (275, 72312), (276, 72050), (300, 66286), (330, 60260), (345, 57640), (393, 50600), (440, 45195), (460, 43230), (506, 39300), (524, 37950), (550, 36156), (552, 36025), (575, 34584), (600, 33143), (655, 30360), (660, 30130), (690, 28820), (759, 26200), (786, 25300), (825, 24104), (920, 21615), (1012, 19650), (1048, 18975), (1100, 18078), (1150, 17292), (1265, 15720), (1310, 15180), (1320, 15065), (1380, 14410), (1441, 13800), (1518, 13100), (1572, 12650), (1650, 12052), (1725, 11528), (1965, 10120), (2024, 9825), (2200, 9039), (2300, 8646), (2530, 7860), (2620, 7590), (2760, 7205), (2882, 6900), (3013, 6600), (3036, 6550), (3144, 6325), (3275, 6072), (3300, 6026), (3450, 5764), (3795, 5240), (3930, 5060), (4323, 4600)]