19291168

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 22198112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 587, 632, 1027, 1174, 1264, 2054, 2348, 2528, 4108, 4696, 7631, 8216, 9392, 15262, 16432, 18784, 30524, 32864, 46373, 61048, 92746, 122096, 185492, 244192, 370984, 602849, 741968, 1205698, 1483936, 2411396, 4822792, 9645584, 19291168]

約数ペア:

[(1, 19291168), (2, 9645584), (4, 4822792), (8, 2411396), (13, 1483936), (16, 1205698), (26, 741968), (32, 602849), (52, 370984), (79, 244192), (104, 185492), (158, 122096), (208, 92746), (316, 61048), (416, 46373), (587, 32864), (632, 30524), (1027, 18784), (1174, 16432), (1264, 15262), (2054, 9392), (2348, 8216), (2528, 7631), (4108, 4696)]