19684728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 64051200

約数和(自身を除く): 44366472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 47, 54, 56, 63, 72, 84, 94, 108, 126, 141, 168, 188, 189, 216, 252, 277, 282, 329, 376, 378, 423, 504, 554, 564, 658, 756, 831, 846, 987, 1108, 1128, 1269, 1316, 1512, 1662, 1692, 1939, 1974, 2216, 2493, 2538, 2632, 2961, 3324, 3384, 3878, 3948, 4986, 5076, 5817, 5922, 6648, 7479, 7756, 7896, 8883, 9972, 10152, 11634, 11844, 13019, 14958, 15512, 17451, 17766, 19944, 23268, 23688, 26038, 29916, 34902, 35532, 39057, 46536, 52076, 52353, 59832, 69804, 71064, 78114, 91133, 104152, 104706, 117171, 139608, 156228, 182266, 209412, 234342, 273399, 312456, 351513, 364532, 418824, 468684, 546798, 703026, 729064, 820197, 937368, 1093596, 1406052, 1640394, 2187192, 2460591, 2812104, 3280788, 4921182, 6561576, 9842364, 19684728]

約数ペア:

[(1, 19684728), (2, 9842364), (3, 6561576), (4, 4921182), (6, 3280788), (7, 2812104), (8, 2460591), (9, 2187192), (12, 1640394), (14, 1406052), (18, 1093596), (21, 937368), (24, 820197), (27, 729064), (28, 703026), (36, 546798), (42, 468684), (47, 418824), (54, 364532), (56, 351513), (63, 312456), (72, 273399), (84, 234342), (94, 209412), (108, 182266), (126, 156228), (141, 139608), (168, 117171), (188, 104706), (189, 104152), (216, 91133), (252, 78114), (277, 71064), (282, 69804), (329, 59832), (376, 52353), (378, 52076), (423, 46536), (504, 39057), (554, 35532), (564, 34902), (658, 29916), (756, 26038), (831, 23688), (846, 23268), (987, 19944), (1108, 17766), (1128, 17451), (1269, 15512), (1316, 14958), (1512, 13019), (1662, 11844), (1692, 11634), (1939, 10152), (1974, 9972), (2216, 8883), (2493, 7896), (2538, 7756), (2632, 7479), (2961, 6648), (3324, 5922), (3384, 5817), (3878, 5076), (3948, 4986)]