18728970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48023}}^1$

素因数の和:48046

約数の個数: 32

約数和(自身を含む): 48408192

約数和(自身を除く): 29679222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48023, 96046, 144069, 240115, 288138, 480230, 624299, 720345, 1248598, 1440690, 1872897, 3121495, 3745794, 6242990, 9364485, 18728970]

約数ペア:

[(1, 18728970), (2, 9364485), (3, 6242990), (5, 3745794), (6, 3121495), (10, 1872897), (13, 1440690), (15, 1248598), (26, 720345), (30, 624299), (39, 480230), (65, 288138), (78, 240115), (130, 144069), (195, 96046), (390, 48023)]