19836090

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{907}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 53608320

約数和(自身を除く): 33772230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 907, 1215, 1458, 1814, 2187, 2430, 2721, 3645, 4374, 4535, 5442, 7290, 8163, 9070, 10935, 13605, 16326, 21870, 24489, 27210, 40815, 48978, 73467, 81630, 122445, 146934, 220401, 244890, 367335, 440802, 661203, 734670, 1102005, 1322406, 1983609, 2204010, 3306015, 3967218, 6612030, 9918045, 19836090]

約数ペア:

[(1, 19836090), (2, 9918045), (3, 6612030), (5, 3967218), (6, 3306015), (9, 2204010), (10, 1983609), (15, 1322406), (18, 1102005), (27, 734670), (30, 661203), (45, 440802), (54, 367335), (81, 244890), (90, 220401), (135, 146934), (162, 122445), (243, 81630), (270, 73467), (405, 48978), (486, 40815), (729, 27210), (810, 24489), (907, 21870), (1215, 16326), (1458, 13605), (1814, 10935), (2187, 9070), (2430, 8163), (2721, 7290), (3645, 5442), (4374, 4535)]