18980910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16223}}^1$

素因数の和:16249

約数の個数: 48

約数和(自身を含む): 53149824

約数和(自身を除く): 34168914

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16223, 32446, 48669, 81115, 97338, 146007, 162230, 210899, 243345, 292014, 421798, 486690, 632697, 730035, 1054495, 1265394, 1460070, 1898091, 2108990, 3163485, 3796182, 6326970, 9490455, 18980910]

約数ペア:

[(1, 18980910), (2, 9490455), (3, 6326970), (5, 3796182), (6, 3163485), (9, 2108990), (10, 1898091), (13, 1460070), (15, 1265394), (18, 1054495), (26, 730035), (30, 632697), (39, 486690), (45, 421798), (65, 292014), (78, 243345), (90, 210899), (117, 162230), (130, 146007), (195, 97338), (234, 81115), (390, 48669), (585, 32446), (1170, 16223)]