20198618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 35691840

約数和(自身を除く): 15493222

約数列:

[1, 2, 11, 17, 22, 34, 53, 106, 187, 374, 583, 901, 1019, 1166, 1802, 2038, 9911, 11209, 17323, 19822, 22418, 34646, 54007, 108014, 190553, 381106, 594077, 918119, 1188154, 1836238, 10099309, 20198618]

約数ペア:

[(1, 20198618), (2, 10099309), (11, 1836238), (17, 1188154), (22, 918119), (34, 594077), (53, 381106), (106, 190553), (187, 108014), (374, 54007), (583, 34646), (901, 22418), (1019, 19822), (1166, 17323), (1802, 11209), (2038, 9911)]