18803422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13452578

約数列:

[1, 2, 11, 22, 31, 62, 79, 158, 341, 349, 682, 698, 869, 1738, 2449, 3839, 4898, 7678, 10819, 21638, 26939, 27571, 53878, 55142, 119009, 238018, 303281, 606562, 854701, 1709402, 9401711, 18803422]

約数ペア:

[(1, 18803422), (2, 9401711), (11, 1709402), (22, 854701), (31, 606562), (62, 303281), (79, 238018), (158, 119009), (341, 55142), (349, 53878), (682, 27571), (698, 26939), (869, 21638), (1738, 10819), (2449, 7678), (3839, 4898)]