19741884188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{571}}^1\times {\mathrm{1229}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 37370292960

約数和(自身を除く): 17628408772

約数列:

[1, 2, 4, 13, 26, 52, 541, 571, 1082, 1142, 1229, 2164, 2284, 2458, 4916, 7033, 7423, 14066, 14846, 15977, 28132, 29692, 31954, 63908, 308911, 617822, 664889, 701759, 1235644, 1329778, 1403518, 2659556, 2807036, 4015843, 8031686, 8643557, 9122867, 16063372, 17287114, 18245734, 34574228, 36491468, 379651619, 759303238, 1518606476, 4935471047, 9870942094, 19741884188]

約数ペア:

[(1, 19741884188), (2, 9870942094), (4, 4935471047), (13, 1518606476), (26, 759303238), (52, 379651619), (541, 36491468), (571, 34574228), (1082, 18245734), (1142, 17287114), (1229, 16063372), (2164, 9122867), (2284, 8643557), (2458, 8031686), (4916, 4015843), (7033, 2807036), (7423, 2659556), (14066, 1403518), (14846, 1329778), (15977, 1235644), (28132, 701759), (29692, 664889), (31954, 617822), (63908, 308911)]