19539960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 65007360

約数和(自身を除く): 45467400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 113, 120, 131, 132, 165, 220, 226, 262, 264, 330, 339, 393, 440, 452, 524, 565, 655, 660, 678, 786, 904, 1048, 1130, 1243, 1310, 1320, 1356, 1441, 1572, 1695, 1965, 2260, 2486, 2620, 2712, 2882, 3144, 3390, 3729, 3930, 4323, 4520, 4972, 5240, 5764, 6215, 6780, 7205, 7458, 7860, 8646, 9944, 11528, 12430, 13560, 14410, 14803, 14916, 15720, 17292, 18645, 21615, 24860, 28820, 29606, 29832, 34584, 37290, 43230, 44409, 49720, 57640, 59212, 74015, 74580, 86460, 88818, 118424, 148030, 149160, 162833, 172920, 177636, 222045, 296060, 325666, 355272, 444090, 488499, 592120, 651332, 814165, 888180, 976998, 1302664, 1628330, 1776360, 1953996, 2442495, 3256660, 3907992, 4884990, 6513320, 9769980, 19539960]

約数ペア:

[(1, 19539960), (2, 9769980), (3, 6513320), (4, 4884990), (5, 3907992), (6, 3256660), (8, 2442495), (10, 1953996), (11, 1776360), (12, 1628330), (15, 1302664), (20, 976998), (22, 888180), (24, 814165), (30, 651332), (33, 592120), (40, 488499), (44, 444090), (55, 355272), (60, 325666), (66, 296060), (88, 222045), (110, 177636), (113, 172920), (120, 162833), (131, 149160), (132, 148030), (165, 118424), (220, 88818), (226, 86460), (262, 74580), (264, 74015), (330, 59212), (339, 57640), (393, 49720), (440, 44409), (452, 43230), (524, 37290), (565, 34584), (655, 29832), (660, 29606), (678, 28820), (786, 24860), (904, 21615), (1048, 18645), (1130, 17292), (1243, 15720), (1310, 14916), (1320, 14803), (1356, 14410), (1441, 13560), (1572, 12430), (1695, 11528), (1965, 9944), (2260, 8646), (2486, 7860), (2620, 7458), (2712, 7205), (2882, 6780), (3144, 6215), (3390, 5764), (3729, 5240), (3930, 4972), (4323, 4520)]