19495020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3217}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 55143648

約数和(自身を除く): 35648628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3217, 6060, 6434, 9651, 12868, 16085, 19302, 32170, 38604, 48255, 64340, 96510, 193020, 324917, 649834, 974751, 1299668, 1624585, 1949502, 3249170, 3899004, 4873755, 6498340, 9747510, 19495020]

約数ペア:

[(1, 19495020), (2, 9747510), (3, 6498340), (4, 4873755), (5, 3899004), (6, 3249170), (10, 1949502), (12, 1624585), (15, 1299668), (20, 974751), (30, 649834), (60, 324917), (101, 193020), (202, 96510), (303, 64340), (404, 48255), (505, 38604), (606, 32170), (1010, 19302), (1212, 16085), (1515, 12868), (2020, 9651), (3030, 6434), (3217, 6060)]