18629124890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{343141}}^1$

素因数の和:343298

約数の個数: 32

約数和(自身を含む): 34465182480

約数和(自身を除く): 15836057590

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 5429, 10858, 27145, 54290, 343141, 686282, 1715705, 3431410, 20931601, 30539549, 41863202, 61079098, 104658005, 152697745, 209316010, 305395490, 1862912489, 3725824978, 9314562445, 18629124890]

約数ペア:

[(1, 18629124890), (2, 9314562445), (5, 3725824978), (10, 1862912489), (61, 305395490), (89, 209316010), (122, 152697745), (178, 104658005), (305, 61079098), (445, 41863202), (610, 30539549), (890, 20931601), (5429, 3431410), (10858, 1715705), (27145, 686282), (54290, 343141)]