18713325720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{221827}}^1$

素因数の和:221897

約数の個数: 128

約数和(自身を含む): 60692140800

約数和(自身を除く): 41978815080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 2109, 2220, 2280, 2812, 3515, 4218, 4440, 5624, 7030, 8436, 10545, 14060, 16872, 21090, 28120, 42180, 84360, 221827, 443654, 665481, 887308, 1109135, 1330962, 1774616, 2218270, 2661924, 3327405, 4214713, 4436540, 5323848, 6654810, 8207599, 8429426, 8873080, 12644139, 13309620, 16415198, 16858852, 21073565, 24622797, 25288278, 26619240, 32830396, 33717704, 41037995, 42147130, 49245594, 50576556, 63220695, 65660792, 82075990, 84294260, 98491188, 101153112, 123113985, 126441390, 155944381, 164151980, 168588520, 196982376, 246227970, 252882780, 311888762, 328303960, 467833143, 492455940, 505765560, 623777524, 779721905, 935666286, 984911880, 1247555048, 1559443810, 1871332572, 2339165715, 3118887620, 3742665144, 4678331430, 6237775240, 9356662860, 18713325720]

約数ペア:

[(1, 18713325720), (2, 9356662860), (3, 6237775240), (4, 4678331430), (5, 3742665144), (6, 3118887620), (8, 2339165715), (10, 1871332572), (12, 1559443810), (15, 1247555048), (19, 984911880), (20, 935666286), (24, 779721905), (30, 623777524), (37, 505765560), (38, 492455940), (40, 467833143), (57, 328303960), (60, 311888762), (74, 252882780), (76, 246227970), (95, 196982376), (111, 168588520), (114, 164151980), (120, 155944381), (148, 126441390), (152, 123113985), (185, 101153112), (190, 98491188), (222, 84294260), (228, 82075990), (285, 65660792), (296, 63220695), (370, 50576556), (380, 49245594), (444, 42147130), (456, 41037995), (555, 33717704), (570, 32830396), (703, 26619240), (740, 25288278), (760, 24622797), (888, 21073565), (1110, 16858852), (1140, 16415198), (1406, 13309620), (1480, 12644139), (2109, 8873080), (2220, 8429426), (2280, 8207599), (2812, 6654810), (3515, 5323848), (4218, 4436540), (4440, 4214713), (5624, 3327405), (7030, 2661924), (8436, 2218270), (10545, 1774616), (14060, 1330962), (16872, 1109135), (21090, 887308), (28120, 665481), (42180, 443654), (84360, 221827)]