18858160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 47157696

約数和(自身を除く): 28299536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 277, 296, 368, 370, 460, 554, 592, 740, 851, 920, 1108, 1385, 1480, 1702, 1840, 2216, 2770, 2960, 3404, 4255, 4432, 5540, 6371, 6808, 8510, 10249, 11080, 12742, 13616, 17020, 20498, 22160, 25484, 31855, 34040, 40996, 50968, 51245, 63710, 68080, 81992, 101936, 102490, 127420, 163984, 204980, 235727, 254840, 409960, 471454, 509680, 819920, 942908, 1178635, 1885816, 2357270, 3771632, 4714540, 9429080, 18858160]

約数ペア:

[(1, 18858160), (2, 9429080), (4, 4714540), (5, 3771632), (8, 2357270), (10, 1885816), (16, 1178635), (20, 942908), (23, 819920), (37, 509680), (40, 471454), (46, 409960), (74, 254840), (80, 235727), (92, 204980), (115, 163984), (148, 127420), (184, 102490), (185, 101936), (230, 81992), (277, 68080), (296, 63710), (368, 51245), (370, 50968), (460, 40996), (554, 34040), (592, 31855), (740, 25484), (851, 22160), (920, 20498), (1108, 17020), (1385, 13616), (1480, 12742), (1702, 11080), (1840, 10249), (2216, 8510), (2770, 6808), (2960, 6371), (3404, 5540), (4255, 4432)]