18374720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:668

約数の個数: 112

約数和(自身を含む): 53937408

約数和(自身を除く): 35562688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 631, 728, 832, 910, 1040, 1120, 1262, 1456, 1820, 2080, 2240, 2524, 2912, 3155, 3640, 4160, 4417, 5048, 5824, 6310, 7280, 8203, 8834, 10096, 12620, 14560, 16406, 17668, 20192, 22085, 25240, 29120, 32812, 35336, 40384, 41015, 44170, 50480, 57421, 65624, 70672, 82030, 88340, 100960, 114842, 131248, 141344, 164060, 176680, 201920, 229684, 262496, 282688, 287105, 328120, 353360, 459368, 524992, 574210, 656240, 706720, 918736, 1148420, 1312480, 1413440, 1837472, 2296840, 2624960, 3674944, 4593680, 9187360, 18374720]

約数ペア:

[(1, 18374720), (2, 9187360), (4, 4593680), (5, 3674944), (7, 2624960), (8, 2296840), (10, 1837472), (13, 1413440), (14, 1312480), (16, 1148420), (20, 918736), (26, 706720), (28, 656240), (32, 574210), (35, 524992), (40, 459368), (52, 353360), (56, 328120), (64, 287105), (65, 282688), (70, 262496), (80, 229684), (91, 201920), (104, 176680), (112, 164060), (130, 141344), (140, 131248), (160, 114842), (182, 100960), (208, 88340), (224, 82030), (260, 70672), (280, 65624), (320, 57421), (364, 50480), (416, 44170), (448, 41015), (455, 40384), (520, 35336), (560, 32812), (631, 29120), (728, 25240), (832, 22085), (910, 20192), (1040, 17668), (1120, 16406), (1262, 14560), (1456, 12620), (1820, 10096), (2080, 8834), (2240, 8203), (2524, 7280), (2912, 6310), (3155, 5824), (3640, 5048), (4160, 4417)]