19875900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 66245760

約数和(自身を除く): 46369860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 25, 30, 33, 38, 44, 50, 55, 57, 60, 66, 75, 76, 95, 100, 110, 114, 132, 150, 165, 190, 209, 220, 228, 275, 285, 300, 317, 330, 380, 418, 475, 550, 570, 627, 634, 660, 825, 836, 950, 951, 1045, 1100, 1140, 1254, 1268, 1425, 1585, 1650, 1900, 1902, 2090, 2508, 2850, 3135, 3170, 3300, 3487, 3804, 4180, 4755, 5225, 5700, 6023, 6270, 6340, 6974, 7925, 9510, 10450, 10461, 12046, 12540, 13948, 15675, 15850, 17435, 18069, 19020, 20900, 20922, 23775, 24092, 30115, 31350, 31700, 34870, 36138, 41844, 47550, 52305, 60230, 62700, 66253, 69740, 72276, 87175, 90345, 95100, 104610, 120460, 132506, 150575, 174350, 180690, 198759, 209220, 261525, 265012, 301150, 331265, 348700, 361380, 397518, 451725, 523050, 602300, 662530, 795036, 903450, 993795, 1046100, 1325060, 1656325, 1806900, 1987590, 3312650, 3975180, 4968975, 6625300, 9937950, 19875900]

約数ペア:

[(1, 19875900), (2, 9937950), (3, 6625300), (4, 4968975), (5, 3975180), (6, 3312650), (10, 1987590), (11, 1806900), (12, 1656325), (15, 1325060), (19, 1046100), (20, 993795), (22, 903450), (25, 795036), (30, 662530), (33, 602300), (38, 523050), (44, 451725), (50, 397518), (55, 361380), (57, 348700), (60, 331265), (66, 301150), (75, 265012), (76, 261525), (95, 209220), (100, 198759), (110, 180690), (114, 174350), (132, 150575), (150, 132506), (165, 120460), (190, 104610), (209, 95100), (220, 90345), (228, 87175), (275, 72276), (285, 69740), (300, 66253), (317, 62700), (330, 60230), (380, 52305), (418, 47550), (475, 41844), (550, 36138), (570, 34870), (627, 31700), (634, 31350), (660, 30115), (825, 24092), (836, 23775), (950, 20922), (951, 20900), (1045, 19020), (1100, 18069), (1140, 17435), (1254, 15850), (1268, 15675), (1425, 13948), (1585, 12540), (1650, 12046), (1900, 10461), (1902, 10450), (2090, 9510), (2508, 7925), (2850, 6974), (3135, 6340), (3170, 6270), (3300, 6023), (3487, 5700), (3804, 5225), (4180, 4755)]