19956456

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 63423360

約数和(自身を除く): 43466904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 39, 46, 52, 54, 69, 72, 78, 81, 92, 103, 104, 108, 117, 138, 156, 162, 184, 206, 207, 216, 234, 276, 299, 309, 312, 324, 351, 412, 414, 468, 552, 598, 618, 621, 648, 702, 824, 828, 897, 927, 936, 1053, 1196, 1236, 1242, 1339, 1404, 1656, 1794, 1854, 1863, 2106, 2369, 2392, 2472, 2484, 2678, 2691, 2781, 2808, 3588, 3708, 3726, 4017, 4212, 4738, 4968, 5356, 5382, 5562, 7107, 7176, 7416, 7452, 8034, 8073, 8343, 8424, 9476, 10712, 10764, 11124, 12051, 14214, 14904, 16068, 16146, 16686, 18952, 21321, 21528, 22248, 24102, 24219, 28428, 30797, 32136, 32292, 33372, 36153, 42642, 48204, 48438, 56856, 61594, 63963, 64584, 66744, 72306, 85284, 92391, 96408, 96876, 108459, 123188, 127926, 144612, 170568, 184782, 191889, 193752, 216918, 246376, 255852, 277173, 289224, 369564, 383778, 433836, 511704, 554346, 739128, 767556, 831519, 867672, 1108692, 1535112, 1663038, 2217384, 2494557, 3326076, 4989114, 6652152, 9978228, 19956456]

約数ペア:

[(1, 19956456), (2, 9978228), (3, 6652152), (4, 4989114), (6, 3326076), (8, 2494557), (9, 2217384), (12, 1663038), (13, 1535112), (18, 1108692), (23, 867672), (24, 831519), (26, 767556), (27, 739128), (36, 554346), (39, 511704), (46, 433836), (52, 383778), (54, 369564), (69, 289224), (72, 277173), (78, 255852), (81, 246376), (92, 216918), (103, 193752), (104, 191889), (108, 184782), (117, 170568), (138, 144612), (156, 127926), (162, 123188), (184, 108459), (206, 96876), (207, 96408), (216, 92391), (234, 85284), (276, 72306), (299, 66744), (309, 64584), (312, 63963), (324, 61594), (351, 56856), (412, 48438), (414, 48204), (468, 42642), (552, 36153), (598, 33372), (618, 32292), (621, 32136), (648, 30797), (702, 28428), (824, 24219), (828, 24102), (897, 22248), (927, 21528), (936, 21321), (1053, 18952), (1196, 16686), (1236, 16146), (1242, 16068), (1339, 14904), (1404, 14214), (1656, 12051), (1794, 11124), (1854, 10764), (1863, 10712), (2106, 9476), (2369, 8424), (2392, 8343), (2472, 8073), (2484, 8034), (2678, 7452), (2691, 7416), (2781, 7176), (2808, 7107), (3588, 5562), (3708, 5382), (3726, 5356), (4017, 4968), (4212, 4738)]