19652990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1259}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20989570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1259, 1561, 2230, 2518, 3122, 6295, 7805, 8813, 12590, 15610, 17626, 44065, 88130, 280757, 561514, 1403785, 1965299, 2807570, 3930598, 9826495, 19652990]

約数ペア:

[(1, 19652990), (2, 9826495), (5, 3930598), (7, 2807570), (10, 1965299), (14, 1403785), (35, 561514), (70, 280757), (223, 88130), (446, 44065), (1115, 17626), (1259, 15610), (1561, 12590), (2230, 8813), (2518, 7805), (3122, 6295)]