18506565

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 41184000

約数和(自身を除く): 22677435

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 109, 147, 165, 231, 245, 315, 327, 343, 385, 441, 495, 539, 545, 693, 735, 763, 981, 1029, 1155, 1199, 1617, 1635, 1715, 2205, 2289, 2695, 3087, 3465, 3597, 3773, 3815, 4851, 4905, 5145, 5341, 5995, 6867, 8085, 8393, 10791, 11319, 11445, 15435, 16023, 17985, 18865, 24255, 25179, 26705, 33957, 34335, 37387, 41965, 48069, 53955, 56595, 58751, 75537, 80115, 112161, 125895, 169785, 176253, 186935, 240345, 293755, 336483, 377685, 411257, 528759, 560805, 881265, 1233771, 1682415, 2056285, 2643795, 3701313, 6168855, 18506565]

約数ペア:

[(1, 18506565), (3, 6168855), (5, 3701313), (7, 2643795), (9, 2056285), (11, 1682415), (15, 1233771), (21, 881265), (33, 560805), (35, 528759), (45, 411257), (49, 377685), (55, 336483), (63, 293755), (77, 240345), (99, 186935), (105, 176253), (109, 169785), (147, 125895), (165, 112161), (231, 80115), (245, 75537), (315, 58751), (327, 56595), (343, 53955), (385, 48069), (441, 41965), (495, 37387), (539, 34335), (545, 33957), (693, 26705), (735, 25179), (763, 24255), (981, 18865), (1029, 17985), (1155, 16023), (1199, 15435), (1617, 11445), (1635, 11319), (1715, 10791), (2205, 8393), (2289, 8085), (2695, 6867), (3087, 5995), (3465, 5341), (3597, 5145), (3773, 4905), (3815, 4851)]