18222408

素因数分解:

$2^3\times 3^4\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 51988860

約数和(自身を除く): 33766452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 81, 108, 122, 162, 183, 216, 244, 324, 366, 461, 488, 549, 648, 732, 922, 1098, 1383, 1464, 1647, 1844, 2196, 2766, 3294, 3688, 4149, 4392, 4941, 5532, 6588, 8298, 9882, 11064, 12447, 13176, 16596, 19764, 24894, 28121, 33192, 37341, 39528, 49788, 56242, 74682, 84363, 99576, 112484, 149364, 168726, 224968, 253089, 298728, 337452, 506178, 674904, 759267, 1012356, 1518534, 2024712, 2277801, 3037068, 4555602, 6074136, 9111204, 18222408]

約数ペア:

[(1, 18222408), (2, 9111204), (3, 6074136), (4, 4555602), (6, 3037068), (8, 2277801), (9, 2024712), (12, 1518534), (18, 1012356), (24, 759267), (27, 674904), (36, 506178), (54, 337452), (61, 298728), (72, 253089), (81, 224968), (108, 168726), (122, 149364), (162, 112484), (183, 99576), (216, 84363), (244, 74682), (324, 56242), (366, 49788), (461, 39528), (488, 37341), (549, 33192), (648, 28121), (732, 24894), (922, 19764), (1098, 16596), (1383, 13176), (1464, 12447), (1647, 11064), (1844, 9882), (2196, 8298), (2766, 6588), (3294, 5532), (3688, 4941), (4149, 4392)]