16741964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 32524800

約数和(自身を除く): 15782836

約数列:

[1, 2, 4, 19, 38, 43, 47, 76, 86, 94, 109, 172, 188, 218, 436, 817, 893, 1634, 1786, 2021, 2071, 3268, 3572, 4042, 4142, 4687, 5123, 8084, 8284, 9374, 10246, 18748, 20492, 38399, 76798, 89053, 97337, 153596, 178106, 194674, 220289, 356212, 389348, 440578, 881156, 4185491, 8370982, 16741964]

約数ペア:

[(1, 16741964), (2, 8370982), (4, 4185491), (19, 881156), (38, 440578), (43, 389348), (47, 356212), (76, 220289), (86, 194674), (94, 178106), (109, 153596), (172, 97337), (188, 89053), (218, 76798), (436, 38399), (817, 20492), (893, 18748), (1634, 10246), (1786, 9374), (2021, 8284), (2071, 8084), (3268, 5123), (3572, 4687), (4042, 4142)]