18894888

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 36703512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 43, 51, 68, 72, 86, 102, 129, 136, 153, 172, 204, 258, 306, 344, 359, 387, 408, 516, 612, 718, 731, 774, 1032, 1077, 1224, 1436, 1462, 1548, 2154, 2193, 2872, 2924, 3096, 3231, 4308, 4386, 5848, 6103, 6462, 6579, 8616, 8772, 12206, 12924, 13158, 15437, 17544, 18309, 24412, 25848, 26316, 30874, 36618, 46311, 48824, 52632, 54927, 61748, 73236, 92622, 109854, 123496, 138933, 146472, 185244, 219708, 262429, 277866, 370488, 439416, 524858, 555732, 787287, 1049716, 1111464, 1574574, 2099432, 2361861, 3149148, 4723722, 6298296, 9447444, 18894888]

約数ペア:

[(1, 18894888), (2, 9447444), (3, 6298296), (4, 4723722), (6, 3149148), (8, 2361861), (9, 2099432), (12, 1574574), (17, 1111464), (18, 1049716), (24, 787287), (34, 555732), (36, 524858), (43, 439416), (51, 370488), (68, 277866), (72, 262429), (86, 219708), (102, 185244), (129, 146472), (136, 138933), (153, 123496), (172, 109854), (204, 92622), (258, 73236), (306, 61748), (344, 54927), (359, 52632), (387, 48824), (408, 46311), (516, 36618), (612, 30874), (718, 26316), (731, 25848), (774, 24412), (1032, 18309), (1077, 17544), (1224, 15437), (1436, 13158), (1462, 12924), (1548, 12206), (2154, 8772), (2193, 8616), (2872, 6579), (2924, 6462), (3096, 6103), (3231, 5848), (4308, 4386)]