18656290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 35640000

約数和(自身を除く): 16983710

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 659, 745, 1318, 1490, 2831, 3295, 5662, 6590, 12521, 14155, 25042, 28310, 62605, 98191, 125210, 196382, 490955, 981910, 1865629, 3731258, 9328145, 18656290]

約数ペア:

[(1, 18656290), (2, 9328145), (5, 3731258), (10, 1865629), (19, 981910), (38, 490955), (95, 196382), (149, 125210), (190, 98191), (298, 62605), (659, 28310), (745, 25042), (1318, 14155), (1490, 12521), (2831, 6590), (3295, 5662)]