18930990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48541}}^1$

素因数の和:48564

約数の個数: 32

約数和(自身を含む): 48930336

約数和(自身を除く): 29999346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48541, 97082, 145623, 242705, 291246, 485410, 631033, 728115, 1262066, 1456230, 1893099, 3155165, 3786198, 6310330, 9465495, 18930990]

約数ペア:

[(1, 18930990), (2, 9465495), (3, 6310330), (5, 3786198), (6, 3155165), (10, 1893099), (13, 1456230), (15, 1262066), (26, 728115), (30, 631033), (39, 485410), (65, 291246), (78, 242705), (130, 145623), (195, 97082), (390, 48541)]