18545820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 36611940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 89, 92, 115, 138, 151, 178, 230, 267, 276, 302, 345, 356, 445, 453, 460, 534, 604, 690, 755, 890, 906, 1068, 1335, 1380, 1510, 1780, 1812, 2047, 2265, 2670, 3020, 3473, 4094, 4530, 5340, 6141, 6946, 8188, 9060, 10235, 10419, 12282, 13439, 13892, 17365, 20470, 20838, 24564, 26878, 30705, 34730, 40317, 40940, 41676, 52095, 53756, 61410, 67195, 69460, 80634, 104190, 122820, 134390, 161268, 201585, 208380, 268780, 309097, 403170, 618194, 806340, 927291, 1236388, 1545485, 1854582, 3090970, 3709164, 4636455, 6181940, 9272910, 18545820]

約数ペア:

[(1, 18545820), (2, 9272910), (3, 6181940), (4, 4636455), (5, 3709164), (6, 3090970), (10, 1854582), (12, 1545485), (15, 1236388), (20, 927291), (23, 806340), (30, 618194), (46, 403170), (60, 309097), (69, 268780), (89, 208380), (92, 201585), (115, 161268), (138, 134390), (151, 122820), (178, 104190), (230, 80634), (267, 69460), (276, 67195), (302, 61410), (345, 53756), (356, 52095), (445, 41676), (453, 40940), (460, 40317), (534, 34730), (604, 30705), (690, 26878), (755, 24564), (890, 20838), (906, 20470), (1068, 17365), (1335, 13892), (1380, 13439), (1510, 12282), (1780, 10419), (1812, 10235), (2047, 9060), (2265, 8188), (2670, 6946), (3020, 6141), (3473, 5340), (4094, 4530)]