19835320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6277}}^1$

素因数の和:6367

約数の個数: 32

約数和(自身を含む): 45201600

約数和(自身を除く): 25366280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6277, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 495883, 991766, 1983532, 2479415, 3967064, 4958830, 9917660, 19835320]

約数ペア:

[(1, 19835320), (2, 9917660), (4, 4958830), (5, 3967064), (8, 2479415), (10, 1983532), (20, 991766), (40, 495883), (79, 251080), (158, 125540), (316, 62770), (395, 50216), (632, 31385), (790, 25108), (1580, 12554), (3160, 6277)]