17491780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 21537980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 241, 380, 382, 482, 764, 955, 964, 1205, 1910, 2410, 3629, 3820, 4579, 4820, 7258, 9158, 14516, 18145, 18316, 22895, 36290, 45790, 46031, 72580, 91580, 92062, 184124, 230155, 460310, 874589, 920620, 1749178, 3498356, 4372945, 8745890, 17491780]

約数ペア:

[(1, 17491780), (2, 8745890), (4, 4372945), (5, 3498356), (10, 1749178), (19, 920620), (20, 874589), (38, 460310), (76, 230155), (95, 184124), (190, 92062), (191, 91580), (241, 72580), (380, 46031), (382, 45790), (482, 36290), (764, 22895), (955, 18316), (964, 18145), (1205, 14516), (1910, 9158), (2410, 7258), (3629, 4820), (3820, 4579)]