18808219240

素因数分解:

$2^3\times 5^1\times {\mathrm{8089}}^1\times {\mathrm{58129}}^1$

素因数の和:66229

約数の個数: 32

約数和(自身を含む): 42324453000

約数和(自身を除く): 23516233760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8089, 16178, 32356, 40445, 58129, 64712, 80890, 116258, 161780, 232516, 290645, 323560, 465032, 581290, 1162580, 2325160, 470205481, 940410962, 1880821924, 2351027405, 3761643848, 4702054810, 9404109620, 18808219240]

約数ペア:

[(1, 18808219240), (2, 9404109620), (4, 4702054810), (5, 3761643848), (8, 2351027405), (10, 1880821924), (20, 940410962), (40, 470205481), (8089, 2325160), (16178, 1162580), (32356, 581290), (40445, 465032), (58129, 323560), (64712, 290645), (80890, 232516), (116258, 161780)]