18063850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 40011948

約数和(自身を除く): 21948098

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 73, 98, 101, 146, 175, 202, 245, 350, 365, 490, 505, 511, 707, 730, 1010, 1022, 1225, 1414, 1825, 2450, 2525, 2555, 3535, 3577, 3650, 4949, 5050, 5110, 7070, 7154, 7373, 9898, 12775, 14746, 17675, 17885, 24745, 25550, 35350, 35770, 36865, 49490, 51611, 73730, 89425, 103222, 123725, 178850, 184325, 247450, 258055, 361277, 368650, 516110, 722554, 1290275, 1806385, 2580550, 3612770, 9031925, 18063850]

約数ペア:

[(1, 18063850), (2, 9031925), (5, 3612770), (7, 2580550), (10, 1806385), (14, 1290275), (25, 722554), (35, 516110), (49, 368650), (50, 361277), (70, 258055), (73, 247450), (98, 184325), (101, 178850), (146, 123725), (175, 103222), (202, 89425), (245, 73730), (350, 51611), (365, 49490), (490, 36865), (505, 35770), (511, 35350), (707, 25550), (730, 24745), (1010, 17885), (1022, 17675), (1225, 14746), (1414, 12775), (1825, 9898), (2450, 7373), (2525, 7154), (2555, 7070), (3535, 5110), (3577, 5050), (3650, 4949)]