17991324

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 50348480

約数和(自身を除く): 32357156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1039, 1332, 1443, 1924, 2078, 2886, 3117, 4156, 4329, 5772, 6234, 8658, 9351, 12468, 13507, 17316, 18702, 27014, 37404, 38443, 40521, 54028, 76886, 81042, 115329, 121563, 153772, 162084, 230658, 243126, 345987, 461316, 486252, 499759, 691974, 999518, 1383948, 1499277, 1999036, 2998554, 4497831, 5997108, 8995662, 17991324]

約数ペア:

[(1, 17991324), (2, 8995662), (3, 5997108), (4, 4497831), (6, 2998554), (9, 1999036), (12, 1499277), (13, 1383948), (18, 999518), (26, 691974), (36, 499759), (37, 486252), (39, 461316), (52, 345987), (74, 243126), (78, 230658), (111, 162084), (117, 153772), (148, 121563), (156, 115329), (222, 81042), (234, 76886), (333, 54028), (444, 40521), (468, 38443), (481, 37404), (666, 27014), (962, 18702), (1039, 17316), (1332, 13507), (1443, 12468), (1924, 9351), (2078, 8658), (2886, 6234), (3117, 5772), (4156, 4329)]