19922720710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{149111}}^1$

素因数の和:149580

約数の個数: 32

約数和(自身を含む): 37103837184

約数和(自身を除く): 17181116474

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 431, 862, 2155, 4310, 13361, 26722, 66805, 133610, 149111, 298222, 745555, 1491110, 4622441, 9244882, 23112205, 46224410, 64266841, 128533682, 321334205, 642668410, 1992272071, 3984544142, 9961360355, 19922720710]

約数ペア:

[(1, 19922720710), (2, 9961360355), (5, 3984544142), (10, 1992272071), (31, 642668410), (62, 321334205), (155, 128533682), (310, 64266841), (431, 46224410), (862, 23112205), (2155, 9244882), (4310, 4622441), (13361, 1491110), (26722, 745555), (66805, 298222), (133610, 149111)]