19705150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12713}}^1$

素因数の和:12756

約数の個数: 24

約数和(自身を含む): 37836864

約数和(自身を除く): 18131714

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12713, 25426, 63565, 127130, 317825, 394103, 635650, 788206, 1970515, 3941030, 9852575, 19705150]

約数ペア:

[(1, 19705150), (2, 9852575), (5, 3941030), (10, 1970515), (25, 788206), (31, 635650), (50, 394103), (62, 317825), (155, 127130), (310, 63565), (775, 25426), (1550, 12713)]