18684904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 44668800

約数和(自身を除く): 25983896

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1033, 1064, 1292, 2066, 2261, 2584, 4132, 4522, 7231, 8264, 9044, 14462, 17561, 18088, 19627, 28924, 35122, 39254, 57848, 70244, 78508, 122927, 137389, 140488, 157016, 245854, 274778, 333659, 491708, 549556, 667318, 983416, 1099112, 1334636, 2335613, 2669272, 4671226, 9342452, 18684904]

約数ペア:

[(1, 18684904), (2, 9342452), (4, 4671226), (7, 2669272), (8, 2335613), (14, 1334636), (17, 1099112), (19, 983416), (28, 667318), (34, 549556), (38, 491708), (56, 333659), (68, 274778), (76, 245854), (119, 157016), (133, 140488), (136, 137389), (152, 122927), (238, 78508), (266, 70244), (323, 57848), (476, 39254), (532, 35122), (646, 28924), (952, 19627), (1033, 18088), (1064, 17561), (1292, 14462), (2066, 9044), (2261, 8264), (2584, 7231), (4132, 4522)]