18203824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 37430640

約数和(自身を除く): 19226816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 233, 257, 304, 466, 514, 932, 1028, 1864, 2056, 3728, 4112, 4427, 4883, 8854, 9766, 17708, 19532, 35416, 39064, 59881, 70832, 78128, 119762, 239524, 479048, 958096, 1137739, 2275478, 4550956, 9101912, 18203824]

約数ペア:

[(1, 18203824), (2, 9101912), (4, 4550956), (8, 2275478), (16, 1137739), (19, 958096), (38, 479048), (76, 239524), (152, 119762), (233, 78128), (257, 70832), (304, 59881), (466, 39064), (514, 35416), (932, 19532), (1028, 17708), (1864, 9766), (2056, 8854), (3728, 4883), (4112, 4427)]