18461820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23669}}^1$

素因数の和:23694

約数の個数: 48

約数和(自身を含む): 55671840

約数和(自身を除く): 37210020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23669, 47338, 71007, 94676, 118345, 142014, 236690, 284028, 307697, 355035, 473380, 615394, 710070, 923091, 1230788, 1420140, 1538485, 1846182, 3076970, 3692364, 4615455, 6153940, 9230910, 18461820]

約数ペア:

[(1, 18461820), (2, 9230910), (3, 6153940), (4, 4615455), (5, 3692364), (6, 3076970), (10, 1846182), (12, 1538485), (13, 1420140), (15, 1230788), (20, 923091), (26, 710070), (30, 615394), (39, 473380), (52, 355035), (60, 307697), (65, 284028), (78, 236690), (130, 142014), (156, 118345), (195, 94676), (260, 71007), (390, 47338), (780, 23669)]