18119367

素因数分解:

$3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 30748536

約数和(自身を除く): 12629169

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 181, 227, 441, 543, 681, 1267, 1589, 1629, 2043, 3801, 4767, 8869, 11123, 11403, 14301, 26607, 33369, 41087, 79821, 100107, 123261, 287609, 369783, 862827, 2013263, 2588481, 6039789, 18119367]

約数ペア:

[(1, 18119367), (3, 6039789), (7, 2588481), (9, 2013263), (21, 862827), (49, 369783), (63, 287609), (147, 123261), (181, 100107), (227, 79821), (441, 41087), (543, 33369), (681, 26607), (1267, 14301), (1589, 11403), (1629, 11123), (2043, 8869), (3801, 4767)]