18269940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 56165760

約数和(自身を除く): 37895820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 59, 60, 65, 78, 118, 130, 156, 177, 195, 236, 260, 295, 354, 390, 397, 590, 708, 767, 780, 794, 885, 1180, 1191, 1534, 1588, 1770, 1985, 2301, 2382, 3068, 3540, 3835, 3970, 4602, 4764, 5161, 5955, 7670, 7940, 9204, 10322, 11505, 11910, 15340, 15483, 20644, 23010, 23423, 23820, 25805, 30966, 46020, 46846, 51610, 61932, 70269, 77415, 93692, 103220, 117115, 140538, 154830, 234230, 281076, 304499, 309660, 351345, 468460, 608998, 702690, 913497, 1217996, 1405380, 1522495, 1826994, 3044990, 3653988, 4567485, 6089980, 9134970, 18269940]

約数ペア:

[(1, 18269940), (2, 9134970), (3, 6089980), (4, 4567485), (5, 3653988), (6, 3044990), (10, 1826994), (12, 1522495), (13, 1405380), (15, 1217996), (20, 913497), (26, 702690), (30, 608998), (39, 468460), (52, 351345), (59, 309660), (60, 304499), (65, 281076), (78, 234230), (118, 154830), (130, 140538), (156, 117115), (177, 103220), (195, 93692), (236, 77415), (260, 70269), (295, 61932), (354, 51610), (390, 46846), (397, 46020), (590, 30966), (708, 25805), (767, 23820), (780, 23423), (794, 23010), (885, 20644), (1180, 15483), (1191, 15340), (1534, 11910), (1588, 11505), (1770, 10322), (1985, 9204), (2301, 7940), (2382, 7670), (3068, 5955), (3540, 5161), (3835, 4764), (3970, 4602)]