18984784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 49014720

約数和(自身を除く): 30029936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 59, 68, 91, 104, 112, 118, 119, 136, 169, 182, 208, 221, 236, 238, 272, 338, 364, 413, 442, 472, 476, 676, 728, 767, 826, 884, 944, 952, 1003, 1183, 1352, 1456, 1534, 1547, 1652, 1768, 1904, 2006, 2366, 2704, 2873, 3068, 3094, 3304, 3536, 4012, 4732, 5369, 5746, 6136, 6188, 6608, 7021, 8024, 9464, 9971, 10738, 11492, 12272, 12376, 13039, 14042, 16048, 18928, 19942, 20111, 21476, 22984, 24752, 26078, 28084, 39884, 40222, 42952, 45968, 52156, 56168, 69797, 79768, 80444, 85904, 91273, 104312, 112336, 139594, 159536, 160888, 169507, 182546, 208624, 279188, 321776, 339014, 365092, 558376, 678028, 730184, 1116752, 1186549, 1356056, 1460368, 2373098, 2712112, 4746196, 9492392, 18984784]

約数ペア:

[(1, 18984784), (2, 9492392), (4, 4746196), (7, 2712112), (8, 2373098), (13, 1460368), (14, 1356056), (16, 1186549), (17, 1116752), (26, 730184), (28, 678028), (34, 558376), (52, 365092), (56, 339014), (59, 321776), (68, 279188), (91, 208624), (104, 182546), (112, 169507), (118, 160888), (119, 159536), (136, 139594), (169, 112336), (182, 104312), (208, 91273), (221, 85904), (236, 80444), (238, 79768), (272, 69797), (338, 56168), (364, 52156), (413, 45968), (442, 42952), (472, 40222), (476, 39884), (676, 28084), (728, 26078), (767, 24752), (826, 22984), (884, 21476), (944, 20111), (952, 19942), (1003, 18928), (1183, 16048), (1352, 14042), (1456, 13039), (1534, 12376), (1547, 12272), (1652, 11492), (1768, 10738), (1904, 9971), (2006, 9464), (2366, 8024), (2704, 7021), (2873, 6608), (3068, 6188), (3094, 6136), (3304, 5746), (3536, 5369), (4012, 4732)]