18722754284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{21433}}^1$

素因数の和:21714

約数の個数: 48

約数和(自身を含む): 35843478048

約数和(自身を除く): 17120723764

約数列:

[1, 2, 4, 13, 26, 52, 107, 157, 214, 314, 428, 628, 1391, 2041, 2782, 4082, 5564, 8164, 16799, 21433, 33598, 42866, 67196, 85732, 218387, 278629, 436774, 557258, 873548, 1114516, 2293331, 3364981, 4586662, 6729962, 9173324, 13459924, 29813303, 43744753, 59626606, 87489506, 119253212, 174979012, 360052967, 720105934, 1440211868, 4680688571, 9361377142, 18722754284]

約数ペア:

[(1, 18722754284), (2, 9361377142), (4, 4680688571), (13, 1440211868), (26, 720105934), (52, 360052967), (107, 174979012), (157, 119253212), (214, 87489506), (314, 59626606), (428, 43744753), (628, 29813303), (1391, 13459924), (2041, 9173324), (2782, 6729962), (4082, 4586662), (5564, 3364981), (8164, 2293331), (16799, 1114516), (21433, 873548), (33598, 557258), (42866, 436774), (67196, 278629), (85732, 218387)]