18745065

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5867}}^1$

素因数の和:5949

約数の個数: 24

約数和(自身を含む): 32954688

約数和(自身を除く): 14209623

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5867, 17601, 29335, 52803, 88005, 264015, 416557, 1249671, 2082785, 3749013, 6248355, 18745065]

約数ペア:

[(1, 18745065), (3, 6248355), (5, 3749013), (9, 2082785), (15, 1249671), (45, 416557), (71, 264015), (213, 88005), (355, 52803), (639, 29335), (1065, 17601), (3195, 5867)]