18054972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 49655424

約数和(自身を除く): 31600452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 223, 234, 346, 446, 468, 519, 669, 692, 892, 1038, 1338, 1557, 2007, 2076, 2249, 2676, 2899, 3114, 4014, 4498, 5798, 6228, 6747, 8028, 8697, 8996, 11596, 13494, 17394, 20241, 26091, 26988, 34788, 38579, 40482, 52182, 77158, 80964, 104364, 115737, 154316, 231474, 347211, 462948, 501527, 694422, 1003054, 1388844, 1504581, 2006108, 3009162, 4513743, 6018324, 9027486, 18054972]

約数ペア:

[(1, 18054972), (2, 9027486), (3, 6018324), (4, 4513743), (6, 3009162), (9, 2006108), (12, 1504581), (13, 1388844), (18, 1003054), (26, 694422), (36, 501527), (39, 462948), (52, 347211), (78, 231474), (117, 154316), (156, 115737), (173, 104364), (223, 80964), (234, 77158), (346, 52182), (446, 40482), (468, 38579), (519, 34788), (669, 26988), (692, 26091), (892, 20241), (1038, 17394), (1338, 13494), (1557, 11596), (2007, 8996), (2076, 8697), (2249, 8028), (2676, 6747), (2899, 6228), (3114, 5798), (4014, 4498)]