18854830

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 35212320

約数和(自身を除く): 16357490

約数列:

[1, 2, 5, 10, 37, 74, 131, 185, 262, 370, 389, 655, 778, 1310, 1945, 3890, 4847, 9694, 14393, 24235, 28786, 48470, 50959, 71965, 101918, 143930, 254795, 509590, 1885483, 3770966, 9427415, 18854830]

約数ペア:

[(1, 18854830), (2, 9427415), (5, 3770966), (10, 1885483), (37, 509590), (74, 254795), (131, 143930), (185, 101918), (262, 71965), (370, 50959), (389, 48470), (655, 28786), (778, 24235), (1310, 14393), (1945, 9694), (3890, 4847)]