1921978210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{9421}}^1$

素因数の和:10338

約数の個数: 32

約数和(自身を含む): 3614429952

約数和(自身を除く): 1692451742

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 887, 1774, 4435, 8870, 9421, 18842, 20401, 40802, 47105, 94210, 102005, 204010, 216683, 433366, 1083415, 2166830, 8356427, 16712854, 41782135, 83564270, 192197821, 384395642, 960989105, 1921978210]

約数ペア:

[(1, 1921978210), (2, 960989105), (5, 384395642), (10, 192197821), (23, 83564270), (46, 41782135), (115, 16712854), (230, 8356427), (887, 2166830), (1774, 1083415), (4435, 433366), (8870, 216683), (9421, 204010), (18842, 102005), (20401, 94210), (40802, 47105)]