18250155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 41333760

約数和(自身を除く): 23083605

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 33, 35, 45, 55, 63, 69, 77, 99, 105, 115, 161, 165, 207, 229, 231, 253, 315, 345, 385, 483, 495, 687, 693, 759, 805, 1035, 1145, 1155, 1265, 1449, 1603, 1771, 2061, 2277, 2415, 2519, 3435, 3465, 3795, 4809, 5267, 5313, 7245, 7557, 8015, 8855, 10305, 11385, 12595, 14427, 15801, 15939, 17633, 22671, 24045, 26335, 26565, 36869, 37785, 47403, 52899, 57937, 72135, 79005, 79695, 88165, 110607, 113355, 158697, 173811, 184345, 237015, 264495, 289685, 331821, 405559, 521433, 553035, 793485, 869055, 1216677, 1659105, 2027795, 2607165, 3650031, 6083385, 18250155]

約数ペア:

[(1, 18250155), (3, 6083385), (5, 3650031), (7, 2607165), (9, 2027795), (11, 1659105), (15, 1216677), (21, 869055), (23, 793485), (33, 553035), (35, 521433), (45, 405559), (55, 331821), (63, 289685), (69, 264495), (77, 237015), (99, 184345), (105, 173811), (115, 158697), (161, 113355), (165, 110607), (207, 88165), (229, 79695), (231, 79005), (253, 72135), (315, 57937), (345, 52899), (385, 47403), (483, 37785), (495, 36869), (687, 26565), (693, 26335), (759, 24045), (805, 22671), (1035, 17633), (1145, 15939), (1155, 15801), (1265, 14427), (1449, 12595), (1603, 11385), (1771, 10305), (2061, 8855), (2277, 8015), (2415, 7557), (2519, 7245), (3435, 5313), (3465, 5267), (3795, 4809)]