19042990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 36163584

約数和(自身を除く): 17120594

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1307, 1457, 2614, 2914, 6535, 7285, 13070, 14570, 40517, 61429, 81034, 122858, 202585, 307145, 405170, 614290, 1904299, 3808598, 9521495, 19042990]

約数ペア:

[(1, 19042990), (2, 9521495), (5, 3808598), (10, 1904299), (31, 614290), (47, 405170), (62, 307145), (94, 202585), (155, 122858), (235, 81034), (310, 61429), (470, 40517), (1307, 14570), (1457, 13070), (2614, 7285), (2914, 6535)]