18888750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 120

約数和(自身を含む): 54095184

約数和(自身を除く): 35206434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 73, 75, 90, 115, 125, 138, 146, 150, 207, 219, 225, 230, 250, 345, 365, 375, 414, 438, 450, 575, 625, 657, 690, 730, 750, 1035, 1095, 1125, 1150, 1250, 1314, 1679, 1725, 1825, 1875, 2070, 2190, 2250, 2875, 3285, 3358, 3450, 3650, 3750, 5037, 5175, 5475, 5625, 5750, 6570, 8395, 8625, 9125, 10074, 10350, 10950, 11250, 14375, 15111, 16425, 16790, 17250, 18250, 25185, 25875, 27375, 28750, 30222, 32850, 41975, 43125, 45625, 50370, 51750, 54750, 75555, 82125, 83950, 86250, 91250, 125925, 129375, 136875, 151110, 164250, 209875, 251850, 258750, 273750, 377775, 410625, 419750, 629625, 755550, 821250, 1049375, 1259250, 1888875, 2098750, 3148125, 3777750, 6296250, 9444375, 18888750]

約数ペア:

[(1, 18888750), (2, 9444375), (3, 6296250), (5, 3777750), (6, 3148125), (9, 2098750), (10, 1888875), (15, 1259250), (18, 1049375), (23, 821250), (25, 755550), (30, 629625), (45, 419750), (46, 410625), (50, 377775), (69, 273750), (73, 258750), (75, 251850), (90, 209875), (115, 164250), (125, 151110), (138, 136875), (146, 129375), (150, 125925), (207, 91250), (219, 86250), (225, 83950), (230, 82125), (250, 75555), (345, 54750), (365, 51750), (375, 50370), (414, 45625), (438, 43125), (450, 41975), (575, 32850), (625, 30222), (657, 28750), (690, 27375), (730, 25875), (750, 25185), (1035, 18250), (1095, 17250), (1125, 16790), (1150, 16425), (1250, 15111), (1314, 14375), (1679, 11250), (1725, 10950), (1825, 10350), (1875, 10074), (2070, 9125), (2190, 8625), (2250, 8395), (2875, 6570), (3285, 5750), (3358, 5625), (3450, 5475), (3650, 5175), (3750, 5037)]