18387902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 31413312

約数和(自身を除く): 13025410

約数列:

[1, 2, 13, 23, 26, 46, 97, 194, 299, 317, 598, 634, 1261, 2231, 2522, 4121, 4462, 7291, 8242, 14582, 29003, 30749, 58006, 61498, 94783, 189566, 399737, 707227, 799474, 1414454, 9193951, 18387902]

約数ペア:

[(1, 18387902), (2, 9193951), (13, 1414454), (23, 799474), (26, 707227), (46, 399737), (97, 189566), (194, 94783), (299, 61498), (317, 58006), (598, 30749), (634, 29003), (1261, 14582), (2231, 8242), (2522, 7291), (4121, 4462)]