31990718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 52868640

約数和(自身を除く): 20877922

約数列:

[1, 2, 19, 37, 38, 61, 74, 122, 373, 703, 746, 1159, 1406, 2257, 2318, 4514, 7087, 13801, 14174, 22753, 27602, 42883, 45506, 85766, 262219, 432307, 524438, 841861, 864614, 1683722, 15995359, 31990718]

約数ペア:

[(1, 31990718), (2, 15995359), (19, 1683722), (37, 864614), (38, 841861), (61, 524438), (74, 432307), (122, 262219), (373, 85766), (703, 45506), (746, 42883), (1159, 27602), (1406, 22753), (2257, 14174), (2318, 13801), (4514, 7087)]