19991406

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{15791}}^1$

素因数の和:16007

約数の個数: 16

約数和(自身を含む): 40174848

約数和(自身を除く): 20183442

約数列:

[1, 2, 3, 6, 211, 422, 633, 1266, 15791, 31582, 47373, 94746, 3331901, 6663802, 9995703, 19991406]

約数ペア:

[(1, 19991406), (2, 9995703), (3, 6663802), (6, 3331901), (211, 94746), (422, 47373), (633, 31582), (1266, 15791)]