17961152980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1\times {\mathrm{9547}}^1$

素因数の和:10528

約数の個数: 48

約数和(自身を含む): 38112560640

約数和(自身を除く): 20151407660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 863, 1090, 1726, 2180, 3452, 4315, 8630, 9547, 17260, 19094, 38188, 47735, 94067, 95470, 188134, 190940, 376268, 470335, 940670, 1040623, 1881340, 2081246, 4162492, 5203115, 8239061, 10406230, 16478122, 20812460, 32956244, 41195305, 82390610, 164781220, 898057649, 1796115298, 3592230596, 4490288245, 8980576490, 17961152980]

約数ペア:

[(1, 17961152980), (2, 8980576490), (4, 4490288245), (5, 3592230596), (10, 1796115298), (20, 898057649), (109, 164781220), (218, 82390610), (436, 41195305), (545, 32956244), (863, 20812460), (1090, 16478122), (1726, 10406230), (2180, 8239061), (3452, 5203115), (4315, 4162492), (8630, 2081246), (9547, 1881340), (17260, 1040623), (19094, 940670), (38188, 470335), (47735, 376268), (94067, 190940), (95470, 188134)]