19912116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1063}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 53387264

約数和(自身を除く): 33475148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1063, 1338, 1561, 2126, 2676, 3122, 3189, 4252, 4683, 6244, 6378, 7441, 9366, 12756, 14882, 18732, 22323, 29764, 44646, 89292, 237049, 474098, 711147, 948196, 1422294, 1659343, 2844588, 3318686, 4978029, 6637372, 9956058, 19912116]

約数ペア:

[(1, 19912116), (2, 9956058), (3, 6637372), (4, 4978029), (6, 3318686), (7, 2844588), (12, 1659343), (14, 1422294), (21, 948196), (28, 711147), (42, 474098), (84, 237049), (223, 89292), (446, 44646), (669, 29764), (892, 22323), (1063, 18732), (1338, 14882), (1561, 12756), (2126, 9366), (2676, 7441), (3122, 6378), (3189, 6244), (4252, 4683)]