20181874474

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{16481}}^1$

素因数の和:17046

約数の個数: 32

約数和(自身を含む): 32112210240

約数和(自身を除く): 11930335766

約数列:

[1, 2, 29, 43, 58, 86, 491, 982, 1247, 2494, 14239, 16481, 21113, 28478, 32962, 42226, 477949, 612277, 708683, 955898, 1224554, 1417366, 8092171, 16184342, 20551807, 41103614, 234672959, 347963353, 469345918, 695926706, 10090937237, 20181874474]

約数ペア:

[(1, 20181874474), (2, 10090937237), (29, 695926706), (43, 469345918), (58, 347963353), (86, 234672959), (491, 41103614), (982, 20551807), (1247, 16184342), (2494, 8092171), (14239, 1417366), (16481, 1224554), (21113, 955898), (28478, 708683), (32962, 612277), (42226, 477949)]