19006120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9697}}^1$

素因数の和:9722

約数の個数: 48

約数和(自身を含む): 49750740

約数和(自身を除く): 30744620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9697, 19394, 38788, 48485, 67879, 77576, 96970, 135758, 193940, 271516, 339395, 387880, 475153, 543032, 678790, 950306, 1357580, 1900612, 2375765, 2715160, 3801224, 4751530, 9503060, 19006120]

約数ペア:

[(1, 19006120), (2, 9503060), (4, 4751530), (5, 3801224), (7, 2715160), (8, 2375765), (10, 1900612), (14, 1357580), (20, 950306), (28, 678790), (35, 543032), (40, 475153), (49, 387880), (56, 339395), (70, 271516), (98, 193940), (140, 135758), (196, 96970), (245, 77576), (280, 67879), (392, 48485), (490, 38788), (980, 19394), (1960, 9697)]