18723660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 52646496

約数和(自身を除く): 33922836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 997, 1252, 1565, 1878, 1994, 2991, 3130, 3756, 3988, 4695, 4985, 5982, 6260, 9390, 9970, 11964, 14955, 18780, 19940, 29910, 59820, 312061, 624122, 936183, 1248244, 1560305, 1872366, 3120610, 3744732, 4680915, 6241220, 9361830, 18723660]

約数ペア:

[(1, 18723660), (2, 9361830), (3, 6241220), (4, 4680915), (5, 3744732), (6, 3120610), (10, 1872366), (12, 1560305), (15, 1248244), (20, 936183), (30, 624122), (60, 312061), (313, 59820), (626, 29910), (939, 19940), (997, 18780), (1252, 14955), (1565, 11964), (1878, 9970), (1994, 9390), (2991, 6260), (3130, 5982), (3756, 4985), (3988, 4695)]