18962970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48623}}^1$

素因数の和:48646

約数の個数: 32

約数和(自身を含む): 49012992

約数和(自身を除く): 30050022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48623, 97246, 145869, 243115, 291738, 486230, 632099, 729345, 1264198, 1458690, 1896297, 3160495, 3792594, 6320990, 9481485, 18962970]

約数ペア:

[(1, 18962970), (2, 9481485), (3, 6320990), (5, 3792594), (6, 3160495), (10, 1896297), (13, 1458690), (15, 1264198), (26, 729345), (30, 632099), (39, 486230), (65, 291738), (78, 243115), (130, 145869), (195, 97246), (390, 48623)]