18325580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10069}}^1$

素因数の和:10098

約数の個数: 48

約数和(自身を含む): 47369280

約数和(自身を除く): 29043700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10069, 20138, 40276, 50345, 70483, 100690, 130897, 140966, 201380, 261794, 281932, 352415, 523588, 654485, 704830, 916279, 1308970, 1409660, 1832558, 2617940, 3665116, 4581395, 9162790, 18325580]

約数ペア:

[(1, 18325580), (2, 9162790), (4, 4581395), (5, 3665116), (7, 2617940), (10, 1832558), (13, 1409660), (14, 1308970), (20, 916279), (26, 704830), (28, 654485), (35, 523588), (52, 352415), (65, 281932), (70, 261794), (91, 201380), (130, 140966), (140, 130897), (182, 100690), (260, 70483), (364, 50345), (455, 40276), (910, 20138), (1820, 10069)]