18208890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4129}}^1$

素因数の和:4156

約数の個数: 72

約数和(自身を含む): 55085940

約数和(自身を除く): 36877050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4129, 4410, 8258, 12387, 20645, 24774, 28903, 37161, 41290, 57806, 61935, 74322, 86709, 123870, 144515, 173418, 185805, 202321, 260127, 289030, 371610, 404642, 433545, 520254, 606963, 867090, 1011605, 1213926, 1300635, 1820889, 2023210, 2601270, 3034815, 3641778, 6069630, 9104445, 18208890]

約数ペア:

[(1, 18208890), (2, 9104445), (3, 6069630), (5, 3641778), (6, 3034815), (7, 2601270), (9, 2023210), (10, 1820889), (14, 1300635), (15, 1213926), (18, 1011605), (21, 867090), (30, 606963), (35, 520254), (42, 433545), (45, 404642), (49, 371610), (63, 289030), (70, 260127), (90, 202321), (98, 185805), (105, 173418), (126, 144515), (147, 123870), (210, 86709), (245, 74322), (294, 61935), (315, 57806), (441, 41290), (490, 37161), (630, 28903), (735, 24774), (882, 20645), (1470, 12387), (2205, 8258), (4129, 4410)]