19894033

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 21312000

約数和(自身を除く): 1417967

約数列:

[1, 31, 59, 73, 149, 1829, 2263, 4307, 4619, 8791, 10877, 133517, 272521, 337187, 641743, 19894033]

約数ペア:

[(1, 19894033), (31, 641743), (59, 337187), (73, 272521), (149, 133517), (1829, 10877), (2263, 8791), (4307, 4619)]