18172620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 57435840

約数和(自身を除く): 39263220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 461, 540, 657, 730, 876, 922, 1095, 1314, 1383, 1460, 1844, 1971, 2190, 2305, 2628, 2766, 3285, 3942, 4149, 4380, 4610, 5532, 6570, 6915, 7884, 8298, 9220, 9855, 12447, 13140, 13830, 16596, 19710, 20745, 24894, 27660, 33653, 39420, 41490, 49788, 62235, 67306, 82980, 100959, 124470, 134612, 168265, 201918, 248940, 302877, 336530, 403836, 504795, 605754, 673060, 908631, 1009590, 1211508, 1514385, 1817262, 2019180, 3028770, 3634524, 4543155, 6057540, 9086310, 18172620]

約数ペア:

[(1, 18172620), (2, 9086310), (3, 6057540), (4, 4543155), (5, 3634524), (6, 3028770), (9, 2019180), (10, 1817262), (12, 1514385), (15, 1211508), (18, 1009590), (20, 908631), (27, 673060), (30, 605754), (36, 504795), (45, 403836), (54, 336530), (60, 302877), (73, 248940), (90, 201918), (108, 168265), (135, 134612), (146, 124470), (180, 100959), (219, 82980), (270, 67306), (292, 62235), (365, 49788), (438, 41490), (461, 39420), (540, 33653), (657, 27660), (730, 24894), (876, 20745), (922, 19710), (1095, 16596), (1314, 13830), (1383, 13140), (1460, 12447), (1844, 9855), (1971, 9220), (2190, 8298), (2305, 7884), (2628, 6915), (2766, 6570), (3285, 5532), (3942, 4610), (4149, 4380)]