19156904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1103}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 19792216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 167, 334, 668, 1103, 1336, 2171, 2206, 4342, 4412, 8684, 8824, 14339, 17368, 28678, 57356, 114712, 184201, 368402, 736804, 1473608, 2394613, 4789226, 9578452, 19156904]

約数ペア:

[(1, 19156904), (2, 9578452), (4, 4789226), (8, 2394613), (13, 1473608), (26, 736804), (52, 368402), (104, 184201), (167, 114712), (334, 57356), (668, 28678), (1103, 17368), (1336, 14339), (2171, 8824), (2206, 8684), (4342, 4412)]