18685485

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{13}}^3$

素因数の和:66

約数の個数: 96

約数和(自身を含む): 41583360

約数和(自身を除く): 22897875

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 169, 189, 195, 243, 273, 315, 351, 405, 455, 507, 567, 585, 819, 845, 945, 1053, 1183, 1215, 1365, 1521, 1701, 1755, 2197, 2457, 2535, 2835, 3159, 3549, 4095, 4563, 5265, 5915, 6591, 7371, 7605, 8505, 10647, 10985, 12285, 13689, 15379, 15795, 17745, 19773, 22113, 22815, 31941, 32955, 36855, 41067, 46137, 53235, 59319, 68445, 76895, 95823, 98865, 110565, 138411, 159705, 177957, 205335, 230685, 287469, 296595, 415233, 479115, 533871, 692055, 889785, 1245699, 1437345, 2076165, 2669355, 3737097, 6228495, 18685485]

約数ペア:

[(1, 18685485), (3, 6228495), (5, 3737097), (7, 2669355), (9, 2076165), (13, 1437345), (15, 1245699), (21, 889785), (27, 692055), (35, 533871), (39, 479115), (45, 415233), (63, 296595), (65, 287469), (81, 230685), (91, 205335), (105, 177957), (117, 159705), (135, 138411), (169, 110565), (189, 98865), (195, 95823), (243, 76895), (273, 68445), (315, 59319), (351, 53235), (405, 46137), (455, 41067), (507, 36855), (567, 32955), (585, 31941), (819, 22815), (845, 22113), (945, 19773), (1053, 17745), (1183, 15795), (1215, 15379), (1365, 13689), (1521, 12285), (1701, 10985), (1755, 10647), (2197, 8505), (2457, 7605), (2535, 7371), (2835, 6591), (3159, 5915), (3549, 5265), (4095, 4563)]