18818622

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 44193600

約数和(自身を除く): 25374978

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 61, 87, 122, 174, 183, 197, 261, 366, 394, 522, 549, 591, 783, 1098, 1182, 1566, 1647, 1769, 1773, 3294, 3538, 3546, 5307, 5319, 5713, 10614, 10638, 11426, 12017, 15921, 17139, 24034, 31842, 34278, 36051, 47763, 51417, 72102, 95526, 102834, 108153, 154251, 216306, 308502, 324459, 348493, 648918, 696986, 1045479, 2090958, 3136437, 6272874, 9409311, 18818622]

約数ペア:

[(1, 18818622), (2, 9409311), (3, 6272874), (6, 3136437), (9, 2090958), (18, 1045479), (27, 696986), (29, 648918), (54, 348493), (58, 324459), (61, 308502), (87, 216306), (122, 154251), (174, 108153), (183, 102834), (197, 95526), (261, 72102), (366, 51417), (394, 47763), (522, 36051), (549, 34278), (591, 31842), (783, 24034), (1098, 17139), (1182, 15921), (1566, 12017), (1647, 11426), (1769, 10638), (1773, 10614), (3294, 5713), (3538, 5319), (3546, 5307)]