19691319448

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{643}}^1\times {\mathrm{10663}}^1$

素因数の和:11671

約数の個数: 32

約数和(自身を含む): 37085126400

約数和(自身を除く): 17393806952

約数列:

[1, 2, 4, 8, 359, 643, 718, 1286, 1436, 2572, 2872, 5144, 10663, 21326, 42652, 85304, 230837, 461674, 923348, 1846696, 3828017, 6856309, 7656034, 13712618, 15312068, 27425236, 30624136, 54850472, 2461414931, 4922829862, 9845659724, 19691319448]

約数ペア:

[(1, 19691319448), (2, 9845659724), (4, 4922829862), (8, 2461414931), (359, 54850472), (643, 30624136), (718, 27425236), (1286, 15312068), (1436, 13712618), (2572, 7656034), (2872, 6856309), (5144, 3828017), (10663, 1846696), (21326, 923348), (42652, 461674), (85304, 230837)]