19510408

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 18574712

約数列:

[1, 2, 4, 8, 31, 62, 124, 151, 248, 302, 521, 604, 1042, 1208, 2084, 4168, 4681, 9362, 16151, 18724, 32302, 37448, 64604, 78671, 129208, 157342, 314684, 629368, 2438801, 4877602, 9755204, 19510408]

約数ペア:

[(1, 19510408), (2, 9755204), (4, 4877602), (8, 2438801), (31, 629368), (62, 314684), (124, 157342), (151, 129208), (248, 78671), (302, 64604), (521, 37448), (604, 32302), (1042, 18724), (1208, 16151), (2084, 9362), (4168, 4681)]