18743890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 37267776

約数和(自身を除く): 18523886

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2053, 4106, 4565, 9130, 10265, 20530, 22583, 45166, 112915, 170399, 225830, 340798, 851995, 1703990, 1874389, 3748778, 9371945, 18743890]

約数ペア:

[(1, 18743890), (2, 9371945), (5, 3748778), (10, 1874389), (11, 1703990), (22, 851995), (55, 340798), (83, 225830), (110, 170399), (166, 112915), (415, 45166), (830, 22583), (913, 20530), (1826, 10265), (2053, 9130), (4106, 4565)]