19581848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17147

約数の個数: 32

約数和(自身を含む): 43137360

約数和(自身を除く): 23555512

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17117, 34234, 68468, 136936, 188287, 222521, 376574, 445042, 753148, 890084, 1506296, 1780168, 2447731, 4895462, 9790924, 19581848]

約数ペア:

[(1, 19581848), (2, 9790924), (4, 4895462), (8, 2447731), (11, 1780168), (13, 1506296), (22, 890084), (26, 753148), (44, 445042), (52, 376574), (88, 222521), (104, 188287), (143, 136936), (286, 68468), (572, 34234), (1144, 17117)]