19558728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 61176960

約数和(自身を除く): 41618232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 151, 168, 252, 257, 302, 453, 504, 514, 604, 771, 906, 1028, 1057, 1208, 1359, 1542, 1799, 1812, 2056, 2114, 2313, 2718, 3084, 3171, 3598, 3624, 4228, 4626, 5397, 5436, 6168, 6342, 7196, 8456, 9252, 9513, 10794, 10872, 12684, 14392, 16191, 18504, 19026, 21588, 25368, 32382, 38052, 38807, 43176, 64764, 76104, 77614, 116421, 129528, 155228, 232842, 271649, 310456, 349263, 465684, 543298, 698526, 814947, 931368, 1086596, 1397052, 1629894, 2173192, 2444841, 2794104, 3259788, 4889682, 6519576, 9779364, 19558728]

約数ペア:

[(1, 19558728), (2, 9779364), (3, 6519576), (4, 4889682), (6, 3259788), (7, 2794104), (8, 2444841), (9, 2173192), (12, 1629894), (14, 1397052), (18, 1086596), (21, 931368), (24, 814947), (28, 698526), (36, 543298), (42, 465684), (56, 349263), (63, 310456), (72, 271649), (84, 232842), (126, 155228), (151, 129528), (168, 116421), (252, 77614), (257, 76104), (302, 64764), (453, 43176), (504, 38807), (514, 38052), (604, 32382), (771, 25368), (906, 21588), (1028, 19026), (1057, 18504), (1208, 16191), (1359, 14392), (1542, 12684), (1799, 10872), (1812, 10794), (2056, 9513), (2114, 9252), (2313, 8456), (2718, 7196), (3084, 6342), (3171, 6168), (3598, 5436), (3624, 5397), (4228, 4626)]