19857786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11069}}^1$

素因数の和:11110

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 24776454

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11069, 22138, 33207, 66414, 143897, 254587, 287794, 431691, 509174, 763761, 863382, 1527522, 3309631, 6619262, 9928893, 19857786]

約数ペア:

[(1, 19857786), (2, 9928893), (3, 6619262), (6, 3309631), (13, 1527522), (23, 863382), (26, 763761), (39, 509174), (46, 431691), (69, 287794), (78, 254587), (138, 143897), (299, 66414), (598, 33207), (897, 22138), (1794, 11069)]