18682939184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{987053}}^1$

素因数の和:987094

約数の個数: 60

約数和(自身を含む): 44796458736

約数和(自身を除く): 26113519552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 987053, 1974106, 3948212, 6909371, 7896424, 12831689, 13818742, 15792848, 25663378, 27637484, 51326756, 55274968, 89821823, 102653512, 110549936, 166811957, 179643646, 205307024, 333623914, 359287292, 667247828, 718574584, 1167683699, 1334495656, 1437149168, 2335367398, 2668991312, 4670734796, 9341469592, 18682939184]

約数ペア:

[(1, 18682939184), (2, 9341469592), (4, 4670734796), (7, 2668991312), (8, 2335367398), (13, 1437149168), (14, 1334495656), (16, 1167683699), (26, 718574584), (28, 667247828), (52, 359287292), (56, 333623914), (91, 205307024), (104, 179643646), (112, 166811957), (169, 110549936), (182, 102653512), (208, 89821823), (338, 55274968), (364, 51326756), (676, 27637484), (728, 25663378), (1183, 15792848), (1352, 13818742), (1456, 12831689), (2366, 7896424), (2704, 6909371), (4732, 3948212), (9464, 1974106), (18928, 987053)]