19972836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42677}}^1$

素因数の和:42700

約数の個数: 36

約数和(自身を含む): 54371772

約数和(自身を除く): 34398936

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42677, 85354, 128031, 170708, 256062, 384093, 512124, 554801, 768186, 1109602, 1536372, 1664403, 2219204, 3328806, 4993209, 6657612, 9986418, 19972836]

約数ペア:

[(1, 19972836), (2, 9986418), (3, 6657612), (4, 4993209), (6, 3328806), (9, 2219204), (12, 1664403), (13, 1536372), (18, 1109602), (26, 768186), (36, 554801), (39, 512124), (52, 384093), (78, 256062), (117, 170708), (156, 128031), (234, 85354), (468, 42677)]