18513324

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 49375872

約数和(自身を除く): 30862548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 93, 106, 124, 159, 186, 212, 279, 313, 318, 372, 477, 558, 626, 636, 939, 954, 1116, 1252, 1643, 1878, 1908, 2817, 3286, 3756, 4929, 5634, 6572, 9703, 9858, 11268, 14787, 16589, 19406, 19716, 29109, 29574, 33178, 38812, 49767, 58218, 59148, 66356, 87327, 99534, 116436, 149301, 174654, 199068, 298602, 349308, 514259, 597204, 1028518, 1542777, 2057036, 3085554, 4628331, 6171108, 9256662, 18513324]

約数ペア:

[(1, 18513324), (2, 9256662), (3, 6171108), (4, 4628331), (6, 3085554), (9, 2057036), (12, 1542777), (18, 1028518), (31, 597204), (36, 514259), (53, 349308), (62, 298602), (93, 199068), (106, 174654), (124, 149301), (159, 116436), (186, 99534), (212, 87327), (279, 66356), (313, 59148), (318, 58218), (372, 49767), (477, 38812), (558, 33178), (626, 29574), (636, 29109), (939, 19716), (954, 19406), (1116, 16589), (1252, 14787), (1643, 11268), (1878, 9858), (1908, 9703), (2817, 6572), (3286, 5634), (3756, 4929)]