19940361

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11578359

約数列:

[1, 3, 7, 21, 47, 89, 141, 227, 267, 329, 623, 681, 987, 1589, 1869, 4183, 4767, 10669, 12549, 20203, 29281, 32007, 60609, 74683, 87843, 141421, 224049, 424263, 949541, 2848623, 6646787, 19940361]

約数ペア:

[(1, 19940361), (3, 6646787), (7, 2848623), (21, 949541), (47, 424263), (89, 224049), (141, 141421), (227, 87843), (267, 74683), (329, 60609), (623, 32007), (681, 29281), (987, 20203), (1589, 12549), (1869, 10669), (4183, 4767)]