18962940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{997}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 53317152

約数和(自身を除く): 34354212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 997, 1268, 1585, 1902, 1994, 2991, 3170, 3804, 3988, 4755, 4985, 5982, 6340, 9510, 9970, 11964, 14955, 19020, 19940, 29910, 59820, 316049, 632098, 948147, 1264196, 1580245, 1896294, 3160490, 3792588, 4740735, 6320980, 9481470, 18962940]

約数ペア:

[(1, 18962940), (2, 9481470), (3, 6320980), (4, 4740735), (5, 3792588), (6, 3160490), (10, 1896294), (12, 1580245), (15, 1264196), (20, 948147), (30, 632098), (60, 316049), (317, 59820), (634, 29910), (951, 19940), (997, 19020), (1268, 14955), (1585, 11964), (1902, 9970), (1994, 9510), (2991, 6340), (3170, 5982), (3804, 4985), (3988, 4755)]