19975644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42683}}^1$

素因数の和:42706

約数の個数: 36

約数和(自身を含む): 54379416

約数和(自身を除く): 34403772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42683, 85366, 128049, 170732, 256098, 384147, 512196, 554879, 768294, 1109758, 1536588, 1664637, 2219516, 3329274, 4993911, 6658548, 9987822, 19975644]

約数ペア:

[(1, 19975644), (2, 9987822), (3, 6658548), (4, 4993911), (6, 3329274), (9, 2219516), (12, 1664637), (13, 1536588), (18, 1109758), (26, 768294), (36, 554879), (39, 512196), (52, 384147), (78, 256098), (117, 170732), (156, 128049), (234, 85366), (468, 42683)]