19401648

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 59625648

約数和(自身を除く): 40224000

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 73, 84, 98, 112, 113, 146, 147, 168, 196, 219, 226, 292, 294, 336, 339, 392, 438, 452, 511, 584, 588, 678, 784, 791, 876, 904, 1022, 1168, 1176, 1356, 1533, 1582, 1752, 1808, 2044, 2352, 2373, 2712, 3066, 3164, 3504, 3577, 4088, 4746, 5424, 5537, 6132, 6328, 7154, 8176, 8249, 9492, 10731, 11074, 12264, 12656, 14308, 16498, 16611, 18984, 21462, 22148, 24528, 24747, 28616, 32996, 33222, 37968, 42924, 44296, 49494, 57232, 57743, 65992, 66444, 85848, 88592, 98988, 115486, 131984, 132888, 171696, 173229, 197976, 230972, 265776, 346458, 395952, 404201, 461944, 692916, 808402, 923888, 1212603, 1385832, 1616804, 2425206, 2771664, 3233608, 4850412, 6467216, 9700824, 19401648]

約数ペア:

[(1, 19401648), (2, 9700824), (3, 6467216), (4, 4850412), (6, 3233608), (7, 2771664), (8, 2425206), (12, 1616804), (14, 1385832), (16, 1212603), (21, 923888), (24, 808402), (28, 692916), (42, 461944), (48, 404201), (49, 395952), (56, 346458), (73, 265776), (84, 230972), (98, 197976), (112, 173229), (113, 171696), (146, 132888), (147, 131984), (168, 115486), (196, 98988), (219, 88592), (226, 85848), (292, 66444), (294, 65992), (336, 57743), (339, 57232), (392, 49494), (438, 44296), (452, 42924), (511, 37968), (584, 33222), (588, 32996), (678, 28616), (784, 24747), (791, 24528), (876, 22148), (904, 21462), (1022, 18984), (1168, 16611), (1176, 16498), (1356, 14308), (1533, 12656), (1582, 12264), (1752, 11074), (1808, 10731), (2044, 9492), (2352, 8249), (2373, 8176), (2712, 7154), (3066, 6328), (3164, 6132), (3504, 5537), (3577, 5424), (4088, 4746)]