17967999820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1747}}^1\times {\mathrm{7243}}^1$

素因数の和:9070

約数の個数: 48

約数和(自身を含む): 38291436288

約数和(自身を除く): 20323436468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1747, 3494, 6988, 7243, 8735, 14486, 17470, 28972, 34940, 36215, 72430, 124037, 144860, 248074, 496148, 514253, 620185, 1028506, 1240370, 2057012, 2480740, 2571265, 5142530, 10285060, 12653521, 25307042, 50614084, 63267605, 126535210, 253070420, 898399991, 1796799982, 3593599964, 4491999955, 8983999910, 17967999820]

約数ペア:

[(1, 17967999820), (2, 8983999910), (4, 4491999955), (5, 3593599964), (10, 1796799982), (20, 898399991), (71, 253070420), (142, 126535210), (284, 63267605), (355, 50614084), (710, 25307042), (1420, 12653521), (1747, 10285060), (3494, 5142530), (6988, 2571265), (7243, 2480740), (8735, 2057012), (14486, 1240370), (17470, 1028506), (28972, 620185), (34940, 514253), (36215, 496148), (72430, 248074), (124037, 144860)]