18123872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2335

約数の個数: 48

約数和(自身を含む): 40466160

約数和(自身を除く): 22342288

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2293, 3952, 4586, 7904, 9172, 18344, 29809, 36688, 43567, 59618, 73376, 87134, 119236, 174268, 238472, 348536, 476944, 566371, 697072, 953888, 1132742, 1394144, 2265484, 4530968, 9061936, 18123872]

約数ペア:

[(1, 18123872), (2, 9061936), (4, 4530968), (8, 2265484), (13, 1394144), (16, 1132742), (19, 953888), (26, 697072), (32, 566371), (38, 476944), (52, 348536), (76, 238472), (104, 174268), (152, 119236), (208, 87134), (247, 73376), (304, 59618), (416, 43567), (494, 36688), (608, 29809), (988, 18344), (1976, 9172), (2293, 7904), (3952, 4586)]