18996848643

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 27174260736

約数和(自身を除く): 8177412093

約数列:

[1, 3, 23, 47, 69, 141, 257, 529, 771, 991, 1081, 1587, 2973, 3243, 5911, 12079, 17733, 22793, 24863, 36237, 46577, 68379, 74589, 135953, 139731, 254687, 277817, 407859, 524239, 764061, 833451, 1071271, 1572717, 3213813, 5857801, 6389791, 11970289, 17573403, 19169373, 24639233, 35910867, 73917699, 134729423, 275316647, 404188269, 825949941, 6332282881, 18996848643]

約数ペア:

[(1, 18996848643), (3, 6332282881), (23, 825949941), (47, 404188269), (69, 275316647), (141, 134729423), (257, 73917699), (529, 35910867), (771, 24639233), (991, 19169373), (1081, 17573403), (1587, 11970289), (2973, 6389791), (3243, 5857801), (5911, 3213813), (12079, 1572717), (17733, 1071271), (22793, 833451), (24863, 764061), (36237, 524239), (46577, 407859), (68379, 277817), (74589, 254687), (135953, 139731)]