19496974

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 15097586

約数列:

[1, 2, 7, 14, 43, 86, 139, 233, 278, 301, 466, 602, 973, 1631, 1946, 3262, 5977, 10019, 11954, 20038, 32387, 41839, 64774, 70133, 83678, 140266, 226709, 453418, 1392641, 2785282, 9748487, 19496974]

約数ペア:

[(1, 19496974), (2, 9748487), (7, 2785282), (14, 1392641), (43, 453418), (86, 226709), (139, 140266), (233, 83678), (278, 70133), (301, 64774), (466, 41839), (602, 32387), (973, 20038), (1631, 11954), (1946, 10019), (3262, 5977)]