18683520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 61395840

約数和(自身を除く): 42712320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 263, 296, 320, 370, 384, 444, 480, 526, 555, 592, 640, 740, 789, 888, 960, 1052, 1110, 1184, 1315, 1480, 1578, 1776, 1920, 2104, 2220, 2368, 2630, 2960, 3156, 3552, 3945, 4208, 4440, 4736, 5260, 5920, 6312, 7104, 7890, 8416, 8880, 9731, 10520, 11840, 12624, 14208, 15780, 16832, 17760, 19462, 21040, 23680, 25248, 29193, 31560, 33664, 35520, 38924, 42080, 48655, 50496, 58386, 63120, 71040, 77848, 84160, 97310, 100992, 116772, 126240, 145965, 155696, 168320, 194620, 233544, 252480, 291930, 311392, 389240, 467088, 504960, 583860, 622784, 778480, 934176, 1167720, 1245568, 1556960, 1868352, 2335440, 3113920, 3736704, 4670880, 6227840, 9341760, 18683520]

約数ペア:

[(1, 18683520), (2, 9341760), (3, 6227840), (4, 4670880), (5, 3736704), (6, 3113920), (8, 2335440), (10, 1868352), (12, 1556960), (15, 1245568), (16, 1167720), (20, 934176), (24, 778480), (30, 622784), (32, 583860), (37, 504960), (40, 467088), (48, 389240), (60, 311392), (64, 291930), (74, 252480), (80, 233544), (96, 194620), (111, 168320), (120, 155696), (128, 145965), (148, 126240), (160, 116772), (185, 100992), (192, 97310), (222, 84160), (240, 77848), (263, 71040), (296, 63120), (320, 58386), (370, 50496), (384, 48655), (444, 42080), (480, 38924), (526, 35520), (555, 33664), (592, 31560), (640, 29193), (740, 25248), (789, 23680), (888, 21040), (960, 19462), (1052, 17760), (1110, 16832), (1184, 15780), (1315, 14208), (1480, 12624), (1578, 11840), (1776, 10520), (1920, 9731), (2104, 8880), (2220, 8416), (2368, 7890), (2630, 7104), (2960, 6312), (3156, 5920), (3552, 5260), (3945, 4736), (4208, 4440)]