18723664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3623}}^1$

素因数の和:3667

約数の個数: 40

約数和(自身を含む): 40443840

約数和(自身を除く): 21720176

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3623, 5168, 7246, 14492, 28984, 57968, 61591, 68837, 123182, 137674, 246364, 275348, 492728, 550696, 985456, 1101392, 1170229, 2340458, 4680916, 9361832, 18723664]

約数ペア:

[(1, 18723664), (2, 9361832), (4, 4680916), (8, 2340458), (16, 1170229), (17, 1101392), (19, 985456), (34, 550696), (38, 492728), (68, 275348), (76, 246364), (136, 137674), (152, 123182), (272, 68837), (304, 61591), (323, 57968), (646, 28984), (1292, 14492), (2584, 7246), (3623, 5168)]