19006887

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 25826400

約数和(自身を除く): 6819513

約数列:

[1, 3, 101, 149, 303, 421, 447, 1263, 15049, 42521, 45147, 62729, 127563, 188187, 6335629, 19006887]

約数ペア:

[(1, 19006887), (3, 6335629), (101, 188187), (149, 127563), (303, 62729), (421, 45147), (447, 42521), (1263, 15049)]