19662524

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2333}}^1$

素因数の和:2394

約数の個数: 36

約数和(自身を含む): 40975704

約数和(自身を除く): 21313180

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 2333, 4214, 4666, 8428, 9332, 16331, 32662, 65324, 100319, 114317, 200638, 228634, 401276, 457268, 702233, 1404466, 2808932, 4915631, 9831262, 19662524]

約数ペア:

[(1, 19662524), (2, 9831262), (4, 4915631), (7, 2808932), (14, 1404466), (28, 702233), (43, 457268), (49, 401276), (86, 228634), (98, 200638), (172, 114317), (196, 100319), (301, 65324), (602, 32662), (1204, 16331), (2107, 9332), (2333, 8428), (4214, 4666)]