19985778

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 29547342

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 41, 51, 54, 59, 81, 82, 102, 118, 123, 153, 162, 177, 243, 246, 306, 354, 369, 459, 486, 531, 697, 738, 918, 1003, 1062, 1107, 1377, 1394, 1593, 2006, 2091, 2214, 2419, 2754, 3009, 3186, 3321, 4131, 4182, 4779, 4838, 6018, 6273, 6642, 7257, 8262, 9027, 9558, 9963, 12546, 14337, 14514, 18054, 18819, 19926, 21771, 27081, 28674, 37638, 41123, 43542, 54162, 56457, 65313, 81243, 82246, 112914, 123369, 130626, 162486, 169371, 195939, 243729, 246738, 338742, 370107, 391878, 487458, 587817, 740214, 1110321, 1175634, 2220642, 3330963, 6661926, 9992889, 19985778]

約数ペア:

[(1, 19985778), (2, 9992889), (3, 6661926), (6, 3330963), (9, 2220642), (17, 1175634), (18, 1110321), (27, 740214), (34, 587817), (41, 487458), (51, 391878), (54, 370107), (59, 338742), (81, 246738), (82, 243729), (102, 195939), (118, 169371), (123, 162486), (153, 130626), (162, 123369), (177, 112914), (243, 82246), (246, 81243), (306, 65313), (354, 56457), (369, 54162), (459, 43542), (486, 41123), (531, 37638), (697, 28674), (738, 27081), (918, 21771), (1003, 19926), (1062, 18819), (1107, 18054), (1377, 14514), (1394, 14337), (1593, 12546), (2006, 9963), (2091, 9558), (2214, 9027), (2419, 8262), (2754, 7257), (3009, 6642), (3186, 6273), (3321, 6018), (4131, 4838), (4182, 4779)]