18404386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 38465280

約数和(自身を除く): 20060894

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 58, 77, 91, 143, 154, 182, 203, 286, 317, 319, 377, 406, 634, 638, 754, 1001, 2002, 2219, 2233, 2639, 3487, 4121, 4147, 4438, 4466, 5278, 6974, 8242, 8294, 9193, 18386, 24409, 28847, 29029, 45331, 48818, 57694, 58058, 64351, 90662, 101123, 119509, 128702, 202246, 239018, 317317, 634634, 707861, 836563, 1314599, 1415722, 1673126, 2629198, 9202193, 18404386]

約数ペア:

[(1, 18404386), (2, 9202193), (7, 2629198), (11, 1673126), (13, 1415722), (14, 1314599), (22, 836563), (26, 707861), (29, 634634), (58, 317317), (77, 239018), (91, 202246), (143, 128702), (154, 119509), (182, 101123), (203, 90662), (286, 64351), (317, 58058), (319, 57694), (377, 48818), (406, 45331), (634, 29029), (638, 28847), (754, 24409), (1001, 18386), (2002, 9193), (2219, 8294), (2233, 8242), (2639, 6974), (3487, 5278), (4121, 4466), (4147, 4438)]