19688480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17579}}^1$

素因数の和:17601

約数の個数: 48

約数和(自身を含む): 53161920

約数和(自身を除く): 33473440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17579, 35158, 70316, 87895, 123053, 140632, 175790, 246106, 281264, 351580, 492212, 562528, 615265, 703160, 984424, 1230530, 1406320, 1968848, 2461060, 2812640, 3937696, 4922120, 9844240, 19688480]

約数ペア:

[(1, 19688480), (2, 9844240), (4, 4922120), (5, 3937696), (7, 2812640), (8, 2461060), (10, 1968848), (14, 1406320), (16, 1230530), (20, 984424), (28, 703160), (32, 615265), (35, 562528), (40, 492212), (56, 351580), (70, 281264), (80, 246106), (112, 175790), (140, 140632), (160, 123053), (224, 87895), (280, 70316), (560, 35158), (1120, 17579)]