18958320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 47823120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 108, 120, 131, 134, 135, 144, 180, 201, 216, 240, 262, 268, 270, 335, 360, 393, 402, 432, 524, 536, 540, 603, 655, 670, 720, 786, 804, 1005, 1048, 1072, 1080, 1179, 1206, 1310, 1340, 1572, 1608, 1809, 1965, 2010, 2096, 2160, 2358, 2412, 2620, 2680, 3015, 3144, 3216, 3537, 3618, 3930, 4020, 4716, 4824, 5240, 5360, 5895, 6030, 6288, 7074, 7236, 7860, 8040, 8777, 9045, 9432, 9648, 10480, 11790, 12060, 14148, 14472, 15720, 16080, 17554, 17685, 18090, 18864, 23580, 24120, 26331, 28296, 28944, 31440, 35108, 35370, 36180, 43885, 47160, 48240, 52662, 56592, 70216, 70740, 72360, 78993, 87770, 94320, 105324, 131655, 140432, 141480, 144720, 157986, 175540, 210648, 236979, 263310, 282960, 315972, 351080, 394965, 421296, 473958, 526620, 631944, 702160, 789930, 947916, 1053240, 1184895, 1263888, 1579860, 1895832, 2106480, 2369790, 3159720, 3791664, 4739580, 6319440, 9479160, 18958320]

約数ペア:

[(1, 18958320), (2, 9479160), (3, 6319440), (4, 4739580), (5, 3791664), (6, 3159720), (8, 2369790), (9, 2106480), (10, 1895832), (12, 1579860), (15, 1263888), (16, 1184895), (18, 1053240), (20, 947916), (24, 789930), (27, 702160), (30, 631944), (36, 526620), (40, 473958), (45, 421296), (48, 394965), (54, 351080), (60, 315972), (67, 282960), (72, 263310), (80, 236979), (90, 210648), (108, 175540), (120, 157986), (131, 144720), (134, 141480), (135, 140432), (144, 131655), (180, 105324), (201, 94320), (216, 87770), (240, 78993), (262, 72360), (268, 70740), (270, 70216), (335, 56592), (360, 52662), (393, 48240), (402, 47160), (432, 43885), (524, 36180), (536, 35370), (540, 35108), (603, 31440), (655, 28944), (670, 28296), (720, 26331), (786, 24120), (804, 23580), (1005, 18864), (1048, 18090), (1072, 17685), (1080, 17554), (1179, 16080), (1206, 15720), (1310, 14472), (1340, 14148), (1572, 12060), (1608, 11790), (1809, 10480), (1965, 9648), (2010, 9432), (2096, 9045), (2160, 8777), (2358, 8040), (2412, 7860), (2620, 7236), (2680, 7074), (3015, 6288), (3144, 6030), (3216, 5895), (3537, 5360), (3618, 5240), (3930, 4824), (4020, 4716)]