20189214721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 23151813120

約数和(自身を除く): 2962598399

約数列:

[1, 13, 31, 67, 113, 169, 403, 509, 871, 1469, 2077, 3503, 5239, 6617, 7571, 11323, 15779, 19097, 27001, 34103, 45539, 57517, 86021, 98423, 205127, 234701, 351013, 443339, 592007, 747721, 1057193, 1279499, 1783027, 2666651, 3051113, 3853639, 5763407, 9720373, 13743509, 23179351, 39664469, 50097307, 119462809, 178665617, 301331563, 651264991, 1553016517, 20189214721]

約数ペア:

[(1, 20189214721), (13, 1553016517), (31, 651264991), (67, 301331563), (113, 178665617), (169, 119462809), (403, 50097307), (509, 39664469), (871, 23179351), (1469, 13743509), (2077, 9720373), (3503, 5763407), (5239, 3853639), (6617, 3051113), (7571, 2666651), (11323, 1783027), (15779, 1279499), (19097, 1057193), (27001, 747721), (34103, 592007), (45539, 443339), (57517, 351013), (86021, 234701), (98423, 205127)]