18644448

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 33640512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 37, 48, 58, 74, 87, 96, 111, 116, 148, 174, 181, 222, 232, 296, 348, 362, 444, 464, 543, 592, 696, 724, 888, 928, 1073, 1086, 1184, 1392, 1448, 1776, 2146, 2172, 2784, 2896, 3219, 3552, 4292, 4344, 5249, 5792, 6438, 6697, 8584, 8688, 10498, 12876, 13394, 15747, 17168, 17376, 20091, 20996, 25752, 26788, 31494, 34336, 40182, 41992, 51504, 53576, 62988, 80364, 83984, 103008, 107152, 125976, 160728, 167968, 194213, 214304, 251952, 321456, 388426, 503904, 582639, 642912, 776852, 1165278, 1553704, 2330556, 3107408, 4661112, 6214816, 9322224, 18644448]

約数ペア:

[(1, 18644448), (2, 9322224), (3, 6214816), (4, 4661112), (6, 3107408), (8, 2330556), (12, 1553704), (16, 1165278), (24, 776852), (29, 642912), (32, 582639), (37, 503904), (48, 388426), (58, 321456), (74, 251952), (87, 214304), (96, 194213), (111, 167968), (116, 160728), (148, 125976), (174, 107152), (181, 103008), (222, 83984), (232, 80364), (296, 62988), (348, 53576), (362, 51504), (444, 41992), (464, 40182), (543, 34336), (592, 31494), (696, 26788), (724, 25752), (888, 20996), (928, 20091), (1073, 17376), (1086, 17168), (1184, 15747), (1392, 13394), (1448, 12876), (1776, 10498), (2146, 8688), (2172, 8584), (2784, 6697), (2896, 6438), (3219, 5792), (3552, 5249), (4292, 4344)]