18939264

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 54574080

約数和(自身を除く): 35634816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 43, 48, 62, 64, 74, 86, 93, 96, 111, 124, 128, 129, 148, 172, 186, 192, 222, 248, 258, 296, 344, 372, 384, 444, 496, 516, 592, 688, 744, 888, 992, 1032, 1147, 1184, 1333, 1376, 1488, 1591, 1776, 1984, 2064, 2294, 2368, 2666, 2752, 2976, 3182, 3441, 3552, 3968, 3999, 4128, 4588, 4736, 4773, 5332, 5504, 5952, 6364, 6882, 7104, 7998, 8256, 9176, 9546, 10664, 11904, 12728, 13764, 14208, 15996, 16512, 18352, 19092, 21328, 25456, 27528, 31992, 36704, 38184, 42656, 49321, 50912, 55056, 63984, 73408, 76368, 85312, 98642, 101824, 110112, 127968, 146816, 147963, 152736, 170624, 197284, 203648, 220224, 255936, 295926, 305472, 394568, 440448, 511872, 591852, 610944, 789136, 1183704, 1578272, 2367408, 3156544, 4734816, 6313088, 9469632, 18939264]

約数ペア:

[(1, 18939264), (2, 9469632), (3, 6313088), (4, 4734816), (6, 3156544), (8, 2367408), (12, 1578272), (16, 1183704), (24, 789136), (31, 610944), (32, 591852), (37, 511872), (43, 440448), (48, 394568), (62, 305472), (64, 295926), (74, 255936), (86, 220224), (93, 203648), (96, 197284), (111, 170624), (124, 152736), (128, 147963), (129, 146816), (148, 127968), (172, 110112), (186, 101824), (192, 98642), (222, 85312), (248, 76368), (258, 73408), (296, 63984), (344, 55056), (372, 50912), (384, 49321), (444, 42656), (496, 38184), (516, 36704), (592, 31992), (688, 27528), (744, 25456), (888, 21328), (992, 19092), (1032, 18352), (1147, 16512), (1184, 15996), (1333, 14208), (1376, 13764), (1488, 12728), (1591, 11904), (1776, 10664), (1984, 9546), (2064, 9176), (2294, 8256), (2368, 7998), (2666, 7104), (2752, 6882), (2976, 6364), (3182, 5952), (3441, 5504), (3552, 5332), (3968, 4773), (3999, 4736), (4128, 4588)]