18869246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13789954

約数列:

[1, 2, 11, 22, 23, 46, 89, 178, 253, 419, 506, 838, 979, 1958, 2047, 4094, 4609, 9218, 9637, 19274, 22517, 37291, 45034, 74582, 106007, 212014, 410201, 820402, 857693, 1715386, 9434623, 18869246]

約数ペア:

[(1, 18869246), (2, 9434623), (11, 1715386), (22, 857693), (23, 820402), (46, 410201), (89, 212014), (178, 106007), (253, 74582), (419, 45034), (506, 37291), (838, 22517), (979, 19274), (1958, 9637), (2047, 9218), (4094, 4609)]