18402228

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 55068552

約数和(自身を除く): 36666324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 204, 221, 234, 257, 306, 324, 351, 442, 459, 468, 514, 612, 663, 702, 771, 884, 918, 1028, 1053, 1326, 1377, 1404, 1542, 1836, 1989, 2106, 2313, 2652, 2754, 3084, 3341, 3978, 4212, 4369, 4626, 5508, 5967, 6682, 6939, 7956, 8738, 9252, 10023, 11934, 13107, 13364, 13878, 17476, 17901, 20046, 20817, 23868, 26214, 27756, 30069, 35802, 39321, 40092, 41634, 52428, 56797, 60138, 71604, 78642, 83268, 90207, 113594, 117963, 120276, 157284, 170391, 180414, 227188, 235926, 270621, 340782, 353889, 360828, 471852, 511173, 541242, 681564, 707778, 1022346, 1082484, 1415556, 1533519, 2044692, 3067038, 4600557, 6134076, 9201114, 18402228]

約数ペア:

[(1, 18402228), (2, 9201114), (3, 6134076), (4, 4600557), (6, 3067038), (9, 2044692), (12, 1533519), (13, 1415556), (17, 1082484), (18, 1022346), (26, 707778), (27, 681564), (34, 541242), (36, 511173), (39, 471852), (51, 360828), (52, 353889), (54, 340782), (68, 270621), (78, 235926), (81, 227188), (102, 180414), (108, 170391), (117, 157284), (153, 120276), (156, 117963), (162, 113594), (204, 90207), (221, 83268), (234, 78642), (257, 71604), (306, 60138), (324, 56797), (351, 52428), (442, 41634), (459, 40092), (468, 39321), (514, 35802), (612, 30069), (663, 27756), (702, 26214), (771, 23868), (884, 20817), (918, 20046), (1028, 17901), (1053, 17476), (1326, 13878), (1377, 13364), (1404, 13107), (1542, 11934), (1836, 10023), (1989, 9252), (2106, 8738), (2313, 7956), (2652, 6939), (2754, 6682), (3084, 5967), (3341, 5508), (3978, 4626), (4212, 4369)]