18705050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4111}}^1$

素因数の和:4143

約数の個数: 48

約数和(自身を含む): 42830592

約数和(自身を除く): 24125542

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4111, 4550, 8222, 20555, 28777, 41110, 53443, 57554, 102775, 106886, 143885, 205550, 267215, 287770, 374101, 534430, 719425, 748202, 1336075, 1438850, 1870505, 2672150, 3741010, 9352525, 18705050]

約数ペア:

[(1, 18705050), (2, 9352525), (5, 3741010), (7, 2672150), (10, 1870505), (13, 1438850), (14, 1336075), (25, 748202), (26, 719425), (35, 534430), (50, 374101), (65, 287770), (70, 267215), (91, 205550), (130, 143885), (175, 106886), (182, 102775), (325, 57554), (350, 53443), (455, 41110), (650, 28777), (910, 20555), (2275, 8222), (4111, 4550)]