19115928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1571}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 56096820

約数和(自身を除く): 36980892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1571, 2028, 3042, 3142, 4056, 4713, 6084, 6284, 9426, 12168, 12568, 14139, 18852, 20423, 28278, 37704, 40846, 56556, 61269, 81692, 113112, 122538, 163384, 183807, 245076, 265499, 367614, 490152, 530998, 735228, 796497, 1061996, 1470456, 1592994, 2123992, 2389491, 3185988, 4778982, 6371976, 9557964, 19115928]

約数ペア:

[(1, 19115928), (2, 9557964), (3, 6371976), (4, 4778982), (6, 3185988), (8, 2389491), (9, 2123992), (12, 1592994), (13, 1470456), (18, 1061996), (24, 796497), (26, 735228), (36, 530998), (39, 490152), (52, 367614), (72, 265499), (78, 245076), (104, 183807), (117, 163384), (156, 122538), (169, 113112), (234, 81692), (312, 61269), (338, 56556), (468, 40846), (507, 37704), (676, 28278), (936, 20423), (1014, 18852), (1352, 14139), (1521, 12568), (1571, 12168), (2028, 9426), (3042, 6284), (3142, 6084), (4056, 4713)]