19712754

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{1637}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 24316686

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 1637, 2007, 3274, 4014, 4911, 6021, 9822, 12042, 14733, 29466, 44199, 88398, 365051, 730102, 1095153, 2190306, 3285459, 6570918, 9856377, 19712754]

約数ペア:

[(1, 19712754), (2, 9856377), (3, 6570918), (6, 3285459), (9, 2190306), (18, 1095153), (27, 730102), (54, 365051), (223, 88398), (446, 44199), (669, 29466), (1338, 14733), (1637, 12042), (2007, 9822), (3274, 6021), (4014, 4911)]