18700408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7237}}^1$

素因数の和:7279

約数の個数: 32

約数和(自身を含む): 39085200

約数和(自身を除く): 20384792

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7237, 14474, 28948, 57896, 123029, 137503, 246058, 275006, 492116, 550012, 984232, 1100024, 2337551, 4675102, 9350204, 18700408]

約数ペア:

[(1, 18700408), (2, 9350204), (4, 4675102), (8, 2337551), (17, 1100024), (19, 984232), (34, 550012), (38, 492116), (68, 275006), (76, 246058), (136, 137503), (152, 123029), (323, 57896), (646, 28948), (1292, 14474), (2584, 7237)]