19531700

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1316

約数の個数: 36

約数和(自身を含む): 42666540

約数和(自身を除く): 23134840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1129, 1730, 2258, 3460, 4325, 4516, 5645, 8650, 11290, 17300, 22580, 28225, 56450, 112900, 195317, 390634, 781268, 976585, 1953170, 3906340, 4882925, 9765850, 19531700]

約数ペア:

[(1, 19531700), (2, 9765850), (4, 4882925), (5, 3906340), (10, 1953170), (20, 976585), (25, 781268), (50, 390634), (100, 195317), (173, 112900), (346, 56450), (692, 28225), (865, 22580), (1129, 17300), (1730, 11290), (2258, 8650), (3460, 5645), (4325, 4516)]