18671640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11969}}^1$

素因数の和:11996

約数の個数: 64

約数和(自身を含む): 60328800

約数和(自身を除く): 41657160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11969, 23938, 35907, 47876, 59845, 71814, 95752, 119690, 143628, 155597, 179535, 239380, 287256, 311194, 359070, 466791, 478760, 622388, 718140, 777985, 933582, 1244776, 1436280, 1555970, 1867164, 2333955, 3111940, 3734328, 4667910, 6223880, 9335820, 18671640]

約数ペア:

[(1, 18671640), (2, 9335820), (3, 6223880), (4, 4667910), (5, 3734328), (6, 3111940), (8, 2333955), (10, 1867164), (12, 1555970), (13, 1436280), (15, 1244776), (20, 933582), (24, 777985), (26, 718140), (30, 622388), (39, 478760), (40, 466791), (52, 359070), (60, 311194), (65, 287256), (78, 239380), (104, 179535), (120, 155597), (130, 143628), (156, 119690), (195, 95752), (260, 71814), (312, 59845), (390, 47876), (520, 35907), (780, 23938), (1560, 11969)]