18539970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1511}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 26094270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1511, 2045, 2454, 3022, 4090, 4533, 6135, 7555, 9066, 12270, 15110, 22665, 45330, 617999, 1235998, 1853997, 3089995, 3707994, 6179990, 9269985, 18539970]

約数ペア:

[(1, 18539970), (2, 9269985), (3, 6179990), (5, 3707994), (6, 3089995), (10, 1853997), (15, 1235998), (30, 617999), (409, 45330), (818, 22665), (1227, 15110), (1511, 12270), (2045, 9066), (2454, 7555), (3022, 6135), (4090, 4533)]