18676190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 37393488

約数和(自身を除く): 18717298

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 257, 338, 430, 514, 559, 845, 1118, 1285, 1690, 2570, 2795, 3341, 5590, 6682, 7267, 11051, 14534, 16705, 22102, 33410, 36335, 43433, 55255, 72670, 86866, 110510, 143663, 217165, 287326, 434330, 718315, 1436630, 1867619, 3735238, 9338095, 18676190]

約数ペア:

[(1, 18676190), (2, 9338095), (5, 3735238), (10, 1867619), (13, 1436630), (26, 718315), (43, 434330), (65, 287326), (86, 217165), (130, 143663), (169, 110510), (215, 86866), (257, 72670), (338, 55255), (430, 43433), (514, 36335), (559, 33410), (845, 22102), (1118, 16705), (1285, 14534), (1690, 11051), (2570, 7267), (2795, 6682), (3341, 5590)]