18903870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 32987970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 47, 82, 90, 94, 109, 123, 141, 205, 218, 235, 246, 282, 327, 369, 410, 423, 470, 545, 615, 654, 705, 738, 846, 981, 1090, 1230, 1410, 1635, 1845, 1927, 1962, 2115, 3270, 3690, 3854, 4230, 4469, 4905, 5123, 5781, 8938, 9635, 9810, 10246, 11562, 13407, 15369, 17343, 19270, 22345, 25615, 26814, 28905, 30738, 34686, 40221, 44690, 46107, 51230, 57810, 67035, 76845, 80442, 86715, 92214, 134070, 153690, 173430, 201105, 210043, 230535, 402210, 420086, 461070, 630129, 1050215, 1260258, 1890387, 2100430, 3150645, 3780774, 6301290, 9451935, 18903870]

約数ペア:

[(1, 18903870), (2, 9451935), (3, 6301290), (5, 3780774), (6, 3150645), (9, 2100430), (10, 1890387), (15, 1260258), (18, 1050215), (30, 630129), (41, 461070), (45, 420086), (47, 402210), (82, 230535), (90, 210043), (94, 201105), (109, 173430), (123, 153690), (141, 134070), (205, 92214), (218, 86715), (235, 80442), (246, 76845), (282, 67035), (327, 57810), (369, 51230), (410, 46107), (423, 44690), (470, 40221), (545, 34686), (615, 30738), (654, 28905), (705, 26814), (738, 25615), (846, 22345), (981, 19270), (1090, 17343), (1230, 15369), (1410, 13407), (1635, 11562), (1845, 10246), (1927, 9810), (1962, 9635), (2115, 8938), (3270, 5781), (3690, 5123), (3854, 4905), (4230, 4469)]