19262480

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 46178220

約数和(自身を除く): 26915740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 109, 188, 218, 235, 376, 436, 470, 545, 752, 872, 940, 1090, 1744, 1880, 2180, 2209, 3760, 4360, 4418, 5123, 8720, 8836, 10246, 11045, 17672, 20492, 22090, 25615, 35344, 40984, 44180, 51230, 81968, 88360, 102460, 176720, 204920, 240781, 409840, 481562, 963124, 1203905, 1926248, 2407810, 3852496, 4815620, 9631240, 19262480]

約数ペア:

[(1, 19262480), (2, 9631240), (4, 4815620), (5, 3852496), (8, 2407810), (10, 1926248), (16, 1203905), (20, 963124), (40, 481562), (47, 409840), (80, 240781), (94, 204920), (109, 176720), (188, 102460), (218, 88360), (235, 81968), (376, 51230), (436, 44180), (470, 40984), (545, 35344), (752, 25615), (872, 22090), (940, 20492), (1090, 17672), (1744, 11045), (1880, 10246), (2180, 8836), (2209, 8720), (3760, 5123), (4360, 4418)]