19983678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23291}}^1$

素因数の和:23320

約数の個数: 32

約数和(自身を含む): 46956672

約数和(自身を除く): 26972994

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 23291, 46582, 69873, 139746, 256201, 302783, 512402, 605566, 768603, 908349, 1537206, 1816698, 3330613, 6661226, 9991839, 19983678]

約数ペア:

[(1, 19983678), (2, 9991839), (3, 6661226), (6, 3330613), (11, 1816698), (13, 1537206), (22, 908349), (26, 768603), (33, 605566), (39, 512402), (66, 302783), (78, 256201), (143, 139746), (286, 69873), (429, 46582), (858, 23291)]