19678355475

素因数分解:

$3^1\times 5^2\times {\mathrm{283}}^1\times {\mathrm{331}}^1\times {\mathrm{2801}}^1$

素因数の和:3428

約数の個数: 48

約数和(自身を含む): 32760177024

約数和(自身を除く): 13081821549

約数列:

[1, 3, 5, 15, 25, 75, 283, 331, 849, 993, 1415, 1655, 2801, 4245, 4965, 7075, 8275, 8403, 14005, 21225, 24825, 42015, 70025, 93673, 210075, 281019, 468365, 792683, 927131, 1405095, 2341825, 2378049, 2781393, 3963415, 4635655, 7025475, 11890245, 13906965, 19817075, 23178275, 59451225, 69534825, 262378073, 787134219, 1311890365, 3935671095, 6559451825, 19678355475]

約数ペア:

[(1, 19678355475), (3, 6559451825), (5, 3935671095), (15, 1311890365), (25, 787134219), (75, 262378073), (283, 69534825), (331, 59451225), (849, 23178275), (993, 19817075), (1415, 13906965), (1655, 11890245), (2801, 7025475), (4245, 4635655), (4965, 3963415), (7075, 2781393), (8275, 2378049), (8403, 2341825), (14005, 1405095), (21225, 927131), (24825, 792683), (42015, 468365), (70025, 281019), (93673, 210075)]