19387816

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{751}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 41690880

約数和(自身を除く): 22303064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 751, 922, 1502, 1844, 3004, 3227, 3688, 5257, 6008, 6454, 10514, 12908, 21028, 25816, 42056, 346211, 692422, 1384844, 2423477, 2769688, 4846954, 9693908, 19387816]

約数ペア:

[(1, 19387816), (2, 9693908), (4, 4846954), (7, 2769688), (8, 2423477), (14, 1384844), (28, 692422), (56, 346211), (461, 42056), (751, 25816), (922, 21028), (1502, 12908), (1844, 10514), (3004, 6454), (3227, 6008), (3688, 5257)]