19917948

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 29675652

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 163, 204, 326, 489, 599, 652, 978, 1198, 1797, 1956, 2396, 2771, 3594, 5542, 7188, 8313, 10183, 11084, 16626, 20366, 30549, 33252, 40732, 61098, 97637, 122196, 195274, 292911, 390548, 585822, 1171644, 1659829, 3319658, 4979487, 6639316, 9958974, 19917948]

約数ペア:

[(1, 19917948), (2, 9958974), (3, 6639316), (4, 4979487), (6, 3319658), (12, 1659829), (17, 1171644), (34, 585822), (51, 390548), (68, 292911), (102, 195274), (163, 122196), (204, 97637), (326, 61098), (489, 40732), (599, 33252), (652, 30549), (978, 20366), (1198, 16626), (1797, 11084), (1956, 10183), (2396, 8313), (2771, 7188), (3594, 5542)]