18919860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7691}}^1$

素因数の和:7744

約数の個数: 48

約数和(自身を含む): 54274752

約数和(自身を除く): 35354892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7691, 15382, 23073, 30764, 38455, 46146, 76910, 92292, 115365, 153820, 230730, 315331, 461460, 630662, 945993, 1261324, 1576655, 1891986, 3153310, 3783972, 4729965, 6306620, 9459930, 18919860]

約数ペア:

[(1, 18919860), (2, 9459930), (3, 6306620), (4, 4729965), (5, 3783972), (6, 3153310), (10, 1891986), (12, 1576655), (15, 1261324), (20, 945993), (30, 630662), (41, 461460), (60, 315331), (82, 230730), (123, 153820), (164, 115365), (205, 92292), (246, 76910), (410, 46146), (492, 38455), (615, 30764), (820, 23073), (1230, 15382), (2460, 7691)]