18049250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 36571392

約数和(自身を除く): 18522142

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 73, 86, 115, 125, 146, 215, 230, 250, 365, 430, 575, 730, 989, 1075, 1150, 1679, 1825, 1978, 2150, 2875, 3139, 3358, 3650, 4945, 5375, 5750, 6278, 8395, 9125, 9890, 10750, 15695, 16790, 18250, 24725, 31390, 41975, 49450, 72197, 78475, 83950, 123625, 144394, 156950, 209875, 247250, 360985, 392375, 419750, 721970, 784750, 1804925, 3609850, 9024625, 18049250]

約数ペア:

[(1, 18049250), (2, 9024625), (5, 3609850), (10, 1804925), (23, 784750), (25, 721970), (43, 419750), (46, 392375), (50, 360985), (73, 247250), (86, 209875), (115, 156950), (125, 144394), (146, 123625), (215, 83950), (230, 78475), (250, 72197), (365, 49450), (430, 41975), (575, 31390), (730, 24725), (989, 18250), (1075, 16790), (1150, 15695), (1679, 10750), (1825, 9890), (1978, 9125), (2150, 8395), (2875, 6278), (3139, 5750), (3358, 5375), (3650, 4945)]