18703220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{593}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 23209420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 593, 830, 1186, 1577, 1660, 2372, 2965, 3154, 5930, 6308, 7885, 11267, 11860, 15770, 22534, 31540, 45068, 49219, 56335, 98438, 112670, 196876, 225340, 246095, 492190, 935161, 984380, 1870322, 3740644, 4675805, 9351610, 18703220]

約数ペア:

[(1, 18703220), (2, 9351610), (4, 4675805), (5, 3740644), (10, 1870322), (19, 984380), (20, 935161), (38, 492190), (76, 246095), (83, 225340), (95, 196876), (166, 112670), (190, 98438), (332, 56335), (380, 49219), (415, 45068), (593, 31540), (830, 22534), (1186, 15770), (1577, 11860), (1660, 11267), (2372, 7885), (2965, 6308), (3154, 5930)]