18381370

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 22053830

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 233, 245, 322, 343, 466, 490, 686, 805, 1127, 1165, 1610, 1631, 1715, 2254, 2330, 3262, 3430, 5359, 5635, 7889, 8155, 10718, 11270, 11417, 15778, 16310, 22834, 26795, 37513, 39445, 53590, 57085, 75026, 78890, 79919, 114170, 159838, 187565, 262591, 375130, 399595, 525182, 799190, 1312955, 1838137, 2625910, 3676274, 9190685, 18381370]

約数ペア:

[(1, 18381370), (2, 9190685), (5, 3676274), (7, 2625910), (10, 1838137), (14, 1312955), (23, 799190), (35, 525182), (46, 399595), (49, 375130), (70, 262591), (98, 187565), (115, 159838), (161, 114170), (230, 79919), (233, 78890), (245, 75026), (322, 57085), (343, 53590), (466, 39445), (490, 37513), (686, 26795), (805, 22834), (1127, 16310), (1165, 15778), (1610, 11417), (1631, 11270), (1715, 10718), (2254, 8155), (2330, 7889), (3262, 5635), (3430, 5359)]