18925746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{809}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 24464334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 557, 809, 1114, 1618, 1671, 2427, 3342, 3899, 4854, 5663, 7798, 11326, 11697, 16989, 23394, 33978, 450613, 901226, 1351839, 2703678, 3154291, 6308582, 9462873, 18925746]

約数ペア:

[(1, 18925746), (2, 9462873), (3, 6308582), (6, 3154291), (7, 2703678), (14, 1351839), (21, 901226), (42, 450613), (557, 33978), (809, 23394), (1114, 16989), (1618, 11697), (1671, 11326), (2427, 7798), (3342, 5663), (3899, 4854)]