18203406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 23890674

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 71, 78, 114, 142, 173, 213, 247, 346, 426, 494, 519, 741, 923, 1038, 1349, 1482, 1846, 2249, 2698, 2769, 3287, 4047, 4498, 5538, 6574, 6747, 8094, 9861, 12283, 13494, 17537, 19722, 24566, 35074, 36849, 42731, 52611, 73698, 85462, 105222, 128193, 159679, 233377, 256386, 319358, 466754, 479037, 700131, 958074, 1400262, 3033901, 6067802, 9101703, 18203406]

約数ペア:

[(1, 18203406), (2, 9101703), (3, 6067802), (6, 3033901), (13, 1400262), (19, 958074), (26, 700131), (38, 479037), (39, 466754), (57, 319358), (71, 256386), (78, 233377), (114, 159679), (142, 128193), (173, 105222), (213, 85462), (247, 73698), (346, 52611), (426, 42731), (494, 36849), (519, 35074), (741, 24566), (923, 19722), (1038, 17537), (1349, 13494), (1482, 12283), (1846, 9861), (2249, 8094), (2698, 6747), (2769, 6574), (3287, 5538), (4047, 4498)]