18163360

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1937

約数の個数: 48

約数和(自身を含む): 43637832

約数和(自身を除く): 25474472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1861, 1952, 2440, 3722, 4880, 7444, 9305, 9760, 14888, 18610, 29776, 37220, 59552, 74440, 113521, 148880, 227042, 297760, 454084, 567605, 908168, 1135210, 1816336, 2270420, 3632672, 4540840, 9081680, 18163360]

約数ペア:

[(1, 18163360), (2, 9081680), (4, 4540840), (5, 3632672), (8, 2270420), (10, 1816336), (16, 1135210), (20, 908168), (32, 567605), (40, 454084), (61, 297760), (80, 227042), (122, 148880), (160, 113521), (244, 74440), (305, 59552), (488, 37220), (610, 29776), (976, 18610), (1220, 14888), (1861, 9760), (1952, 9305), (2440, 7444), (3722, 4880)]