18946250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:704

約数の個数: 40

約数和(自身を含む): 37113120

約数和(自身を除く): 18166870

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 659, 1150, 1250, 1318, 2875, 3295, 5750, 6590, 14375, 15157, 16475, 28750, 30314, 32950, 75785, 82375, 151570, 164750, 378925, 411875, 757850, 823750, 1894625, 3789250, 9473125, 18946250]

約数ペア:

[(1, 18946250), (2, 9473125), (5, 3789250), (10, 1894625), (23, 823750), (25, 757850), (46, 411875), (50, 378925), (115, 164750), (125, 151570), (230, 82375), (250, 75785), (575, 32950), (625, 30314), (659, 28750), (1150, 16475), (1250, 15157), (1318, 14375), (2875, 6590), (3295, 5750)]