18670575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 39854592

約数和(自身を除く): 21184017

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 53, 55, 61, 75, 77, 105, 159, 165, 175, 183, 231, 265, 275, 305, 371, 385, 427, 525, 583, 671, 795, 825, 915, 1113, 1155, 1281, 1325, 1525, 1749, 1855, 1925, 2013, 2135, 2915, 3233, 3355, 3975, 4081, 4575, 4697, 5565, 5775, 6405, 8745, 9275, 9699, 10065, 10675, 12243, 14091, 14575, 16165, 16775, 20405, 22631, 23485, 27825, 32025, 35563, 43725, 48495, 50325, 61215, 67893, 70455, 80825, 102025, 106689, 113155, 117425, 177815, 242475, 248941, 306075, 339465, 352275, 533445, 565775, 746823, 889075, 1244705, 1697325, 2667225, 3734115, 6223525, 18670575]

約数ペア:

[(1, 18670575), (3, 6223525), (5, 3734115), (7, 2667225), (11, 1697325), (15, 1244705), (21, 889075), (25, 746823), (33, 565775), (35, 533445), (53, 352275), (55, 339465), (61, 306075), (75, 248941), (77, 242475), (105, 177815), (159, 117425), (165, 113155), (175, 106689), (183, 102025), (231, 80825), (265, 70455), (275, 67893), (305, 61215), (371, 50325), (385, 48495), (427, 43725), (525, 35563), (583, 32025), (671, 27825), (795, 23485), (825, 22631), (915, 20405), (1113, 16775), (1155, 16165), (1281, 14575), (1325, 14091), (1525, 12243), (1749, 10675), (1855, 10065), (1925, 9699), (2013, 9275), (2135, 8745), (2915, 6405), (3233, 5775), (3355, 5565), (3975, 4697), (4081, 4575)]