19118288

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 42586560

約数和(自身を除く): 23468272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 809, 844, 1477, 1618, 1688, 2954, 3236, 3376, 5663, 5908, 6472, 11326, 11816, 12944, 22652, 23632, 45304, 90608, 170699, 341398, 682796, 1194893, 1365592, 2389786, 2731184, 4779572, 9559144, 19118288]

約数ペア:

[(1, 19118288), (2, 9559144), (4, 4779572), (7, 2731184), (8, 2389786), (14, 1365592), (16, 1194893), (28, 682796), (56, 341398), (112, 170699), (211, 90608), (422, 45304), (809, 23632), (844, 22652), (1477, 12944), (1618, 11816), (1688, 11326), (2954, 6472), (3236, 5908), (3376, 5663)]