19749720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164581}}^1$

素因数の和:164595

約数の個数: 32

約数和(自身を含む): 59249520

約数和(自身を除く): 39499800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164581, 329162, 493743, 658324, 822905, 987486, 1316648, 1645810, 1974972, 2468715, 3291620, 3949944, 4937430, 6583240, 9874860, 19749720]

約数ペア:

[(1, 19749720), (2, 9874860), (3, 6583240), (4, 4937430), (5, 3949944), (6, 3291620), (8, 2468715), (10, 1974972), (12, 1645810), (15, 1316648), (20, 987486), (24, 822905), (30, 658324), (40, 493743), (60, 329162), (120, 164581)]