19769519825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1\times {\mathrm{1367}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 27407102976

約数和(自身を除く): 7637583151

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1223, 1367, 2365, 6115, 6835, 11825, 13453, 15037, 30575, 34175, 52589, 58781, 67265, 75185, 262945, 293905, 336325, 375925, 578479, 646591, 1314725, 1469525, 1671841, 2892395, 3232955, 8359205, 14461975, 16164775, 18390251, 41796025, 71889163, 91951255, 359445815, 459756275, 790780793, 1797229075, 3953903965, 19769519825]

約数ペア:

[(1, 19769519825), (5, 3953903965), (11, 1797229075), (25, 790780793), (43, 459756275), (55, 359445815), (215, 91951255), (275, 71889163), (473, 41796025), (1075, 18390251), (1223, 16164775), (1367, 14461975), (2365, 8359205), (6115, 3232955), (6835, 2892395), (11825, 1671841), (13453, 1469525), (15037, 1314725), (30575, 646591), (34175, 578479), (52589, 375925), (58781, 336325), (67265, 293905), (75185, 262945)]