19635540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4483}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 55745088

約数和(自身を除く): 36109548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4483, 8966, 13449, 17932, 22415, 26898, 44830, 53796, 67245, 89660, 134490, 268980, 327259, 654518, 981777, 1309036, 1636295, 1963554, 3272590, 3927108, 4908885, 6545180, 9817770, 19635540]

約数ペア:

[(1, 19635540), (2, 9817770), (3, 6545180), (4, 4908885), (5, 3927108), (6, 3272590), (10, 1963554), (12, 1636295), (15, 1309036), (20, 981777), (30, 654518), (60, 327259), (73, 268980), (146, 134490), (219, 89660), (292, 67245), (365, 53796), (438, 44830), (730, 26898), (876, 22415), (1095, 17932), (1460, 13449), (2190, 8966), (4380, 4483)]