18273560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12347}}^1$

素因数の和:12395

約数の個数: 32

約数和(自身を含む): 42230160

約数和(自身を除く): 23956600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12347, 24694, 49388, 61735, 98776, 123470, 246940, 456839, 493880, 913678, 1827356, 2284195, 3654712, 4568390, 9136780, 18273560]

約数ペア:

[(1, 18273560), (2, 9136780), (4, 4568390), (5, 3654712), (8, 2284195), (10, 1827356), (20, 913678), (37, 493880), (40, 456839), (74, 246940), (148, 123470), (185, 98776), (296, 61735), (370, 49388), (740, 24694), (1480, 12347)]