19984149

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 29741400

約数和(自身を除く): 9757251

約数列:

[1, 3, 9, 61, 89, 183, 267, 409, 549, 801, 1227, 3681, 5429, 16287, 24949, 36401, 48861, 74847, 109203, 224541, 327609, 2220461, 6661383, 19984149]

約数ペア:

[(1, 19984149), (3, 6661383), (9, 2220461), (61, 327609), (89, 224541), (183, 109203), (267, 74847), (409, 48861), (549, 36401), (801, 24949), (1227, 16287), (3681, 5429)]