18473168

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8715

約数の個数: 40

約数和(自身を含む): 43062720

約数和(自身を除く): 24589552

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8681, 17362, 34724, 60767, 69448, 121534, 138896, 164939, 243068, 329878, 486136, 659756, 972272, 1154573, 1319512, 2309146, 2639024, 4618292, 9236584, 18473168]

約数ペア:

[(1, 18473168), (2, 9236584), (4, 4618292), (7, 2639024), (8, 2309146), (14, 1319512), (16, 1154573), (19, 972272), (28, 659756), (38, 486136), (56, 329878), (76, 243068), (112, 164939), (133, 138896), (152, 121534), (266, 69448), (304, 60767), (532, 34724), (1064, 17362), (2128, 8681)]