19926380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24889300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 569, 1030, 1138, 1751, 2060, 2276, 2845, 3502, 5690, 7004, 8755, 9673, 11380, 17510, 19346, 35020, 38692, 48365, 58607, 96730, 117214, 193460, 234428, 293035, 586070, 996319, 1172140, 1992638, 3985276, 4981595, 9963190, 19926380]

約数ペア:

[(1, 19926380), (2, 9963190), (4, 4981595), (5, 3985276), (10, 1992638), (17, 1172140), (20, 996319), (34, 586070), (68, 293035), (85, 234428), (103, 193460), (170, 117214), (206, 96730), (340, 58607), (412, 48365), (515, 38692), (569, 35020), (1030, 19346), (1138, 17510), (1751, 11380), (2060, 9673), (2276, 8755), (2845, 7004), (3502, 5690)]