18295812

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 48432384

約数和(自身を除く): 30136572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 223, 258, 318, 387, 446, 477, 516, 636, 669, 774, 892, 954, 1338, 1548, 1908, 2007, 2279, 2676, 4014, 4558, 6837, 8028, 9116, 9589, 11819, 13674, 19178, 20511, 23638, 27348, 28767, 35457, 38356, 41022, 47276, 57534, 70914, 82044, 86301, 106371, 115068, 141828, 172602, 212742, 345204, 425484, 508217, 1016434, 1524651, 2032868, 3049302, 4573953, 6098604, 9147906, 18295812]

約数ペア:

[(1, 18295812), (2, 9147906), (3, 6098604), (4, 4573953), (6, 3049302), (9, 2032868), (12, 1524651), (18, 1016434), (36, 508217), (43, 425484), (53, 345204), (86, 212742), (106, 172602), (129, 141828), (159, 115068), (172, 106371), (212, 86301), (223, 82044), (258, 70914), (318, 57534), (387, 47276), (446, 41022), (477, 38356), (516, 35457), (636, 28767), (669, 27348), (774, 23638), (892, 20511), (954, 19178), (1338, 13674), (1548, 11819), (1908, 9589), (2007, 9116), (2279, 8028), (2676, 6837), (4014, 4558)]