18500899203

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2749}}^1\times {\mathrm{4373}}^1$

素因数の和:7153

約数の個数: 40

約数和(自身を含む): 29108970000

約数和(自身を除く): 10608070797

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2749, 4373, 8247, 13119, 24741, 39357, 52231, 74223, 83087, 118071, 156693, 222669, 249261, 354213, 470079, 747783, 1410237, 2243349, 4230711, 6730047, 12021377, 36064131, 108192393, 228406163, 324577179, 685218489, 973731537, 2055655467, 6166966401, 18500899203]

約数ペア:

[(1, 18500899203), (3, 6166966401), (9, 2055655467), (19, 973731537), (27, 685218489), (57, 324577179), (81, 228406163), (171, 108192393), (513, 36064131), (1539, 12021377), (2749, 6730047), (4373, 4230711), (8247, 2243349), (13119, 1410237), (24741, 747783), (39357, 470079), (52231, 354213), (74223, 249261), (83087, 222669), (118071, 156693)]