18810290

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 15917326

約数列:

[1, 2, 5, 10, 83, 131, 166, 173, 262, 346, 415, 655, 830, 865, 1310, 1730, 10873, 14359, 21746, 22663, 28718, 45326, 54365, 71795, 108730, 113315, 143590, 226630, 1881029, 3762058, 9405145, 18810290]

約数ペア:

[(1, 18810290), (2, 9405145), (5, 3762058), (10, 1881029), (83, 226630), (131, 143590), (166, 113315), (173, 108730), (262, 71795), (346, 54365), (415, 45326), (655, 28718), (830, 22663), (865, 21746), (1310, 14359), (1730, 10873)]