18319440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2063}}^1$

素因数の和:2116

約数の個数: 80

約数和(自身を含む): 58353408

約数和(自身を除く): 40033968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2063, 2220, 2960, 4126, 4440, 6189, 8252, 8880, 10315, 12378, 16504, 20630, 24756, 30945, 33008, 41260, 49512, 61890, 76331, 82520, 99024, 123780, 152662, 165040, 228993, 247560, 305324, 381655, 457986, 495120, 610648, 763310, 915972, 1144965, 1221296, 1526620, 1831944, 2289930, 3053240, 3663888, 4579860, 6106480, 9159720, 18319440]

約数ペア:

[(1, 18319440), (2, 9159720), (3, 6106480), (4, 4579860), (5, 3663888), (6, 3053240), (8, 2289930), (10, 1831944), (12, 1526620), (15, 1221296), (16, 1144965), (20, 915972), (24, 763310), (30, 610648), (37, 495120), (40, 457986), (48, 381655), (60, 305324), (74, 247560), (80, 228993), (111, 165040), (120, 152662), (148, 123780), (185, 99024), (222, 82520), (240, 76331), (296, 61890), (370, 49512), (444, 41260), (555, 33008), (592, 30945), (740, 24756), (888, 20630), (1110, 16504), (1480, 12378), (1776, 10315), (2063, 8880), (2220, 8252), (2960, 6189), (4126, 4440)]