18981494398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{99391}}^1$

素因数の和:99588

約数の個数: 32

約数和(自身を含む): 31108105728

約数和(自身を除く): 12126611330

約数列:

[1, 2, 17, 34, 41, 82, 137, 274, 697, 1394, 2329, 4658, 5617, 11234, 95489, 99391, 190978, 198782, 1689647, 3379294, 4075031, 8150062, 13616567, 27233134, 69275527, 138551054, 231481639, 462963278, 558279247, 1116558494, 9490747199, 18981494398]

約数ペア:

[(1, 18981494398), (2, 9490747199), (17, 1116558494), (34, 558279247), (41, 462963278), (82, 231481639), (137, 138551054), (274, 69275527), (697, 27233134), (1394, 13616567), (2329, 8150062), (4658, 4075031), (5617, 3379294), (11234, 1689647), (95489, 198782), (99391, 190978)]