23821820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 35448580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 139, 164, 190, 205, 209, 220, 278, 380, 410, 418, 451, 556, 695, 779, 820, 836, 902, 1045, 1390, 1529, 1558, 1804, 2090, 2255, 2641, 2780, 3058, 3116, 3895, 4180, 4510, 5282, 5699, 6116, 7645, 7790, 8569, 9020, 10564, 11398, 13205, 15290, 15580, 17138, 22796, 26410, 28495, 29051, 30580, 34276, 42845, 52820, 56990, 58102, 62689, 85690, 108281, 113980, 116204, 125378, 145255, 171380, 216562, 250756, 290510, 313445, 433124, 541405, 581020, 626890, 1082810, 1191091, 1253780, 2165620, 2382182, 4764364, 5955455, 11910910, 23821820]

約数ペア:

[(1, 23821820), (2, 11910910), (4, 5955455), (5, 4764364), (10, 2382182), (11, 2165620), (19, 1253780), (20, 1191091), (22, 1082810), (38, 626890), (41, 581020), (44, 541405), (55, 433124), (76, 313445), (82, 290510), (95, 250756), (110, 216562), (139, 171380), (164, 145255), (190, 125378), (205, 116204), (209, 113980), (220, 108281), (278, 85690), (380, 62689), (410, 58102), (418, 56990), (451, 52820), (556, 42845), (695, 34276), (779, 30580), (820, 29051), (836, 28495), (902, 26410), (1045, 22796), (1390, 17138), (1529, 15580), (1558, 15290), (1804, 13205), (2090, 11398), (2255, 10564), (2641, 9020), (2780, 8569), (3058, 7790), (3116, 7645), (3895, 6116), (4180, 5699), (4510, 5282)]