18931925710

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1\times {\mathrm{42989}}^1$

素因数の和:43980

約数の個数: 32

約数和(自身を含む): 34840471680

約数和(自身を除く): 15908545970

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 937, 1874, 4685, 9370, 42989, 44039, 85978, 88078, 214945, 220195, 429890, 440390, 2020483, 4040966, 10102415, 20204830, 40280693, 80561386, 201403465, 402806930, 1893192571, 3786385142, 9465962855, 18931925710]

約数ペア:

[(1, 18931925710), (2, 9465962855), (5, 3786385142), (10, 1893192571), (47, 402806930), (94, 201403465), (235, 80561386), (470, 40280693), (937, 20204830), (1874, 10102415), (4685, 4040966), (9370, 2020483), (42989, 440390), (44039, 429890), (85978, 220195), (88078, 214945)]