18225804968

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{67537}}^1$

素因数の和:67690

約数の個数: 64

約数和(自身を含む): 40198617600

約数和(自身を除く): 21972812632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 79, 122, 158, 244, 316, 427, 488, 553, 632, 854, 1106, 1708, 2212, 3416, 4424, 4819, 9638, 19276, 33733, 38552, 67466, 67537, 134932, 135074, 269864, 270148, 472759, 540296, 945518, 1891036, 3782072, 4119757, 5335423, 8239514, 10670846, 16479028, 21341692, 28838299, 32958056, 37347961, 42683384, 57676598, 74695922, 115353196, 149391844, 230706392, 298783688, 325460803, 650921606, 1301843212, 2278225621, 2603686424, 4556451242, 9112902484, 18225804968]

約数ペア:

[(1, 18225804968), (2, 9112902484), (4, 4556451242), (7, 2603686424), (8, 2278225621), (14, 1301843212), (28, 650921606), (56, 325460803), (61, 298783688), (79, 230706392), (122, 149391844), (158, 115353196), (244, 74695922), (316, 57676598), (427, 42683384), (488, 37347961), (553, 32958056), (632, 28838299), (854, 21341692), (1106, 16479028), (1708, 10670846), (2212, 8239514), (3416, 5335423), (4424, 4119757), (4819, 3782072), (9638, 1891036), (19276, 945518), (33733, 540296), (38552, 472759), (67466, 270148), (67537, 269864), (134932, 135074)]