19138718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7529}}^1$

素因数の和:7603

約数の個数: 16

約数和(自身を含む): 30360960

約数和(自身を除く): 11222242

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 7529, 15058, 233399, 308689, 466798, 617378, 9569359, 19138718]

約数ペア:

[(1, 19138718), (2, 9569359), (31, 617378), (41, 466798), (62, 308689), (82, 233399), (1271, 15058), (2542, 7529)]