18693584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 45913728

約数和(自身を除く): 27220144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 347, 364, 481, 518, 592, 694, 728, 962, 1036, 1388, 1456, 1924, 2072, 2429, 2776, 3367, 3848, 4144, 4511, 4858, 5552, 6734, 7696, 9022, 9716, 12839, 13468, 18044, 19432, 25678, 26936, 31577, 36088, 38864, 51356, 53872, 63154, 72176, 89873, 102712, 126308, 166907, 179746, 205424, 252616, 333814, 359492, 505232, 667628, 718984, 1168349, 1335256, 1437968, 2336698, 2670512, 4673396, 9346792, 18693584]

約数ペア:

[(1, 18693584), (2, 9346792), (4, 4673396), (7, 2670512), (8, 2336698), (13, 1437968), (14, 1335256), (16, 1168349), (26, 718984), (28, 667628), (37, 505232), (52, 359492), (56, 333814), (74, 252616), (91, 205424), (104, 179746), (112, 166907), (148, 126308), (182, 102712), (208, 89873), (259, 72176), (296, 63154), (347, 53872), (364, 51356), (481, 38864), (518, 36088), (592, 31577), (694, 26936), (728, 25678), (962, 19432), (1036, 18044), (1388, 13468), (1456, 12839), (1924, 9716), (2072, 9022), (2429, 7696), (2776, 6734), (3367, 5552), (3848, 4858), (4144, 4511)]