18858632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 38367000

約数和(自身を除く): 19508368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1217, 1937, 2434, 3874, 4868, 7748, 9736, 15496, 15821, 31642, 63284, 126568, 181333, 362666, 725332, 1450664, 2357329, 4714658, 9429316, 18858632]

約数ペア:

[(1, 18858632), (2, 9429316), (4, 4714658), (8, 2357329), (13, 1450664), (26, 725332), (52, 362666), (104, 181333), (149, 126568), (298, 63284), (596, 31642), (1192, 15821), (1217, 15496), (1937, 9736), (2434, 7748), (3874, 4868)]