18705578970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47963023}}^1$

素因数の和:47963046

約数の個数: 32

約数和(自身を含む): 48346728192

約数和(自身を除く): 29641149222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47963023, 95926046, 143889069, 239815115, 287778138, 479630230, 623519299, 719445345, 1247038598, 1438890690, 1870557897, 3117596495, 3741115794, 6235192990, 9352789485, 18705578970]

約数ペア:

[(1, 18705578970), (2, 9352789485), (3, 6235192990), (5, 3741115794), (6, 3117596495), (10, 1870557897), (13, 1438890690), (15, 1247038598), (26, 719445345), (30, 623519299), (39, 479630230), (65, 287778138), (78, 239815115), (130, 143889069), (195, 95926046), (390, 47963023)]