19911354

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 22208646

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 389, 449, 778, 898, 1167, 1347, 2334, 2694, 7391, 8531, 14782, 17062, 22173, 25593, 44346, 51186, 174661, 349322, 523983, 1047966, 3318559, 6637118, 9955677, 19911354]

約数ペア:

[(1, 19911354), (2, 9955677), (3, 6637118), (6, 3318559), (19, 1047966), (38, 523983), (57, 349322), (114, 174661), (389, 51186), (449, 44346), (778, 25593), (898, 22173), (1167, 17062), (1347, 14782), (2334, 8531), (2694, 7391)]