19912300

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1338

約数の個数: 36

約数和(自身を含む): 43497216

約数和(自身を除く): 23584916

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1151, 1730, 2302, 3460, 4325, 4604, 5755, 8650, 11510, 17300, 23020, 28775, 57550, 115100, 199123, 398246, 796492, 995615, 1991230, 3982460, 4978075, 9956150, 19912300]

約数ペア:

[(1, 19912300), (2, 9956150), (4, 4978075), (5, 3982460), (10, 1991230), (20, 995615), (25, 796492), (50, 398246), (100, 199123), (173, 115100), (346, 57550), (692, 28775), (865, 23020), (1151, 17300), (1730, 11510), (2302, 8650), (3460, 5755), (4325, 4604)]