18489492

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 56349440

約数和(自身を除く): 37859948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 108, 111, 126, 148, 189, 222, 252, 259, 333, 378, 444, 518, 661, 666, 756, 777, 999, 1036, 1322, 1332, 1554, 1983, 1998, 2331, 2644, 3108, 3966, 3996, 4627, 4662, 5949, 6993, 7932, 9254, 9324, 11898, 13881, 13986, 17847, 18508, 23796, 24457, 27762, 27972, 35694, 41643, 48914, 55524, 71388, 73371, 83286, 97828, 124929, 146742, 166572, 171199, 220113, 249858, 293484, 342398, 440226, 499716, 513597, 660339, 684796, 880452, 1027194, 1320678, 1540791, 2054388, 2641356, 3081582, 4622373, 6163164, 9244746, 18489492]

約数ペア:

[(1, 18489492), (2, 9244746), (3, 6163164), (4, 4622373), (6, 3081582), (7, 2641356), (9, 2054388), (12, 1540791), (14, 1320678), (18, 1027194), (21, 880452), (27, 684796), (28, 660339), (36, 513597), (37, 499716), (42, 440226), (54, 342398), (63, 293484), (74, 249858), (84, 220113), (108, 171199), (111, 166572), (126, 146742), (148, 124929), (189, 97828), (222, 83286), (252, 73371), (259, 71388), (333, 55524), (378, 48914), (444, 41643), (518, 35694), (661, 27972), (666, 27762), (756, 24457), (777, 23796), (999, 18508), (1036, 17847), (1322, 13986), (1332, 13881), (1554, 11898), (1983, 9324), (1998, 9254), (2331, 7932), (2644, 6993), (3108, 5949), (3966, 4662), (3996, 4627)]