18454928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3615

約数の個数: 40

約数和(自身を含む): 39863520

約数和(自身を除く): 21408592

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3571, 5168, 7142, 14284, 28568, 57136, 60707, 67849, 121414, 135698, 242828, 271396, 485656, 542792, 971312, 1085584, 1153433, 2306866, 4613732, 9227464, 18454928]

約数ペア:

[(1, 18454928), (2, 9227464), (4, 4613732), (8, 2306866), (16, 1153433), (17, 1085584), (19, 971312), (34, 542792), (38, 485656), (68, 271396), (76, 242828), (136, 135698), (152, 121414), (272, 67849), (304, 60707), (323, 57136), (646, 28568), (1292, 14284), (2584, 7142), (3571, 5168)]