18471660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9931}}^1$

素因数の和:9974

約数の個数: 48

約数和(自身を含む): 53394432

約数和(自身を除く): 34922772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 9931, 19862, 29793, 39724, 49655, 59586, 99310, 119172, 148965, 198620, 297930, 307861, 595860, 615722, 923583, 1231444, 1539305, 1847166, 3078610, 3694332, 4617915, 6157220, 9235830, 18471660]

約数ペア:

[(1, 18471660), (2, 9235830), (3, 6157220), (4, 4617915), (5, 3694332), (6, 3078610), (10, 1847166), (12, 1539305), (15, 1231444), (20, 923583), (30, 615722), (31, 595860), (60, 307861), (62, 297930), (93, 198620), (124, 148965), (155, 119172), (186, 99310), (310, 59586), (372, 49655), (465, 39724), (620, 29793), (930, 19862), (1860, 9931)]