18865530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2161}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 49578984

約数和(自身を除く): 30713454

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2161, 2910, 4322, 4365, 6483, 8730, 10805, 12966, 19449, 21610, 32415, 38898, 64830, 97245, 194490, 209617, 419234, 628851, 1048085, 1257702, 1886553, 2096170, 3144255, 3773106, 6288510, 9432765, 18865530]

約数ペア:

[(1, 18865530), (2, 9432765), (3, 6288510), (5, 3773106), (6, 3144255), (9, 2096170), (10, 1886553), (15, 1257702), (18, 1048085), (30, 628851), (45, 419234), (90, 209617), (97, 194490), (194, 97245), (291, 64830), (485, 38898), (582, 32415), (873, 21610), (970, 19449), (1455, 12966), (1746, 10805), (2161, 8730), (2910, 6483), (4322, 4365)]