19259864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1699}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 39270000

約数和(自身を除く): 20010136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1699, 2834, 3398, 5668, 6796, 11336, 13592, 22087, 44174, 88348, 176696, 185191, 370382, 740764, 1481528, 2407483, 4814966, 9629932, 19259864]

約数ペア:

[(1, 19259864), (2, 9629932), (4, 4814966), (8, 2407483), (13, 1481528), (26, 740764), (52, 370382), (104, 185191), (109, 176696), (218, 88348), (436, 44174), (872, 22087), (1417, 13592), (1699, 11336), (2834, 6796), (3398, 5668)]