18962235

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 17533125

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 93, 115, 135, 155, 197, 207, 279, 345, 465, 591, 621, 713, 837, 985, 1035, 1395, 1773, 2139, 2955, 3105, 3565, 4185, 4531, 5319, 6107, 6417, 8865, 10695, 13593, 18321, 19251, 22655, 26595, 30535, 32085, 40779, 54963, 67965, 91605, 96255, 122337, 140461, 164889, 203895, 274815, 421383, 611685, 702305, 824445, 1264149, 2106915, 3792447, 6320745, 18962235]

約数ペア:

[(1, 18962235), (3, 6320745), (5, 3792447), (9, 2106915), (15, 1264149), (23, 824445), (27, 702305), (31, 611685), (45, 421383), (69, 274815), (93, 203895), (115, 164889), (135, 140461), (155, 122337), (197, 96255), (207, 91605), (279, 67965), (345, 54963), (465, 40779), (591, 32085), (621, 30535), (713, 26595), (837, 22655), (985, 19251), (1035, 18321), (1395, 13593), (1773, 10695), (2139, 8865), (2955, 6417), (3105, 6107), (3565, 5319), (4185, 4531)]