42738790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{11839}}^1$

素因数の和:11884

約数の個数: 24

約数和(自身を含む): 81198720

約数和(自身を除く): 38459930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 11839, 23678, 59195, 118390, 224941, 449882, 1124705, 2249410, 4273879, 8547758, 21369395, 42738790]

約数ペア:

[(1, 42738790), (2, 21369395), (5, 8547758), (10, 4273879), (19, 2249410), (38, 1124705), (95, 449882), (190, 224941), (361, 118390), (722, 59195), (1805, 23678), (3610, 11839)]