19981103038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1\times {\mathrm{21277}}^1$

素因数の和:23212

約数の個数: 32

約数和(自身を含む): 33995435040

約数和(自身を除く): 14014332002

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 1901, 3802, 21277, 24713, 36119, 42554, 49426, 72238, 276601, 404263, 469547, 553202, 808526, 939094, 5255419, 10510838, 40447577, 80895154, 525818501, 768503963, 1051637002, 1537007926, 9990551519, 19981103038]

約数ペア:

[(1, 19981103038), (2, 9990551519), (13, 1537007926), (19, 1051637002), (26, 768503963), (38, 525818501), (247, 80895154), (494, 40447577), (1901, 10510838), (3802, 5255419), (21277, 939094), (24713, 808526), (36119, 553202), (42554, 469547), (49426, 404263), (72238, 276601)]