19457060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2957}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 47706624

約数和(自身を除く): 28249564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2957, 3290, 5914, 6580, 11828, 14785, 20699, 29570, 41398, 59140, 82796, 103495, 138979, 206990, 277958, 413980, 555916, 694895, 972853, 1389790, 1945706, 2779580, 3891412, 4864265, 9728530, 19457060]

約数ペア:

[(1, 19457060), (2, 9728530), (4, 4864265), (5, 3891412), (7, 2779580), (10, 1945706), (14, 1389790), (20, 972853), (28, 694895), (35, 555916), (47, 413980), (70, 277958), (94, 206990), (140, 138979), (188, 103495), (235, 82796), (329, 59140), (470, 41398), (658, 29570), (940, 20699), (1316, 14785), (1645, 11828), (2957, 6580), (3290, 5914)]