18301465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 29836800

約数和(自身を除く): 11535335

約数列:

[1, 5, 7, 13, 19, 29, 35, 65, 73, 91, 95, 133, 145, 203, 247, 365, 377, 455, 511, 551, 665, 949, 1015, 1235, 1387, 1729, 1885, 2117, 2555, 2639, 2755, 3857, 4745, 6643, 6935, 7163, 8645, 9709, 10585, 13195, 14819, 18031, 19285, 27521, 33215, 35815, 40223, 48545, 50141, 74095, 90155, 126217, 137605, 192647, 201115, 250705, 281561, 522899, 631085, 963235, 1407805, 2614495, 3660293, 18301465]

約数ペア:

[(1, 18301465), (5, 3660293), (7, 2614495), (13, 1407805), (19, 963235), (29, 631085), (35, 522899), (65, 281561), (73, 250705), (91, 201115), (95, 192647), (133, 137605), (145, 126217), (203, 90155), (247, 74095), (365, 50141), (377, 48545), (455, 40223), (511, 35815), (551, 33215), (665, 27521), (949, 19285), (1015, 18031), (1235, 14819), (1387, 13195), (1729, 10585), (1885, 9709), (2117, 8645), (2555, 7163), (2639, 6935), (2755, 6643), (3857, 4745)]