18538998

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^3\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 38732640

約数和(自身を除く): 20193642

約数列:

[1, 2, 3, 6, 37, 61, 74, 111, 122, 183, 222, 366, 1369, 2257, 2738, 4107, 4514, 6771, 8214, 13542, 50653, 83509, 101306, 151959, 167018, 250527, 303918, 501054, 3089833, 6179666, 9269499, 18538998]

約数ペア:

[(1, 18538998), (2, 9269499), (3, 6179666), (6, 3089833), (37, 501054), (61, 303918), (74, 250527), (111, 167018), (122, 151959), (183, 101306), (222, 83509), (366, 50653), (1369, 13542), (2257, 8214), (2738, 6771), (4107, 4514)]