1969974188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21967

約数の個数: 72

約数和(自身を含む): 4491083520

約数和(自身を除く): 2521109332

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 338, 364, 494, 532, 676, 988, 1183, 1729, 2366, 3211, 3458, 4732, 6422, 6916, 12844, 21911, 22477, 43822, 44954, 87644, 89908, 153377, 284843, 306754, 416309, 569686, 613508, 832618, 1139372, 1665236, 1993901, 2914163, 3702959, 3987802, 5412017, 5828326, 7405918, 7975604, 10824034, 11656652, 14811836, 21648068, 25920713, 37884119, 51841426, 70356221, 75768238, 103682852, 140712442, 151536476, 281424884, 492493547, 984987094, 1969974188]

約数ペア:

[(1, 1969974188), (2, 984987094), (4, 492493547), (7, 281424884), (13, 151536476), (14, 140712442), (19, 103682852), (26, 75768238), (28, 70356221), (38, 51841426), (52, 37884119), (76, 25920713), (91, 21648068), (133, 14811836), (169, 11656652), (182, 10824034), (247, 7975604), (266, 7405918), (338, 5828326), (364, 5412017), (494, 3987802), (532, 3702959), (676, 2914163), (988, 1993901), (1183, 1665236), (1729, 1139372), (2366, 832618), (3211, 613508), (3458, 569686), (4732, 416309), (6422, 306754), (6916, 284843), (12844, 153377), (21911, 89908), (22477, 87644), (43822, 44954)]