18226980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 55855800

約数和(自身を除く): 37628820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 929, 981, 1090, 1308, 1635, 1858, 1962, 2180, 2787, 3270, 3716, 3924, 4645, 4905, 5574, 6540, 8361, 9290, 9810, 11148, 13935, 16722, 18580, 19620, 27870, 33444, 41805, 55740, 83610, 101261, 167220, 202522, 303783, 405044, 506305, 607566, 911349, 1012610, 1215132, 1518915, 1822698, 2025220, 3037830, 3645396, 4556745, 6075660, 9113490, 18226980]

約数ペア:

[(1, 18226980), (2, 9113490), (3, 6075660), (4, 4556745), (5, 3645396), (6, 3037830), (9, 2025220), (10, 1822698), (12, 1518915), (15, 1215132), (18, 1012610), (20, 911349), (30, 607566), (36, 506305), (45, 405044), (60, 303783), (90, 202522), (109, 167220), (180, 101261), (218, 83610), (327, 55740), (436, 41805), (545, 33444), (654, 27870), (929, 19620), (981, 18580), (1090, 16722), (1308, 13935), (1635, 11148), (1858, 9810), (1962, 9290), (2180, 8361), (2787, 6540), (3270, 5574), (3716, 4905), (3924, 4645)]