18727150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 38372544

約数和(自身を除く): 19645394

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 613, 650, 1175, 1222, 1226, 2350, 3055, 3065, 6110, 6130, 7969, 15275, 15325, 15938, 28811, 30550, 30650, 39845, 57622, 79690, 144055, 199225, 288110, 374543, 398450, 720275, 749086, 1440550, 1872715, 3745430, 9363575, 18727150]

約数ペア:

[(1, 18727150), (2, 9363575), (5, 3745430), (10, 1872715), (13, 1440550), (25, 749086), (26, 720275), (47, 398450), (50, 374543), (65, 288110), (94, 199225), (130, 144055), (235, 79690), (325, 57622), (470, 39845), (611, 30650), (613, 30550), (650, 28811), (1175, 15938), (1222, 15325), (1226, 15275), (2350, 7969), (3055, 6130), (3065, 6110)]