19205368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 49029120

約数和(自身を除く): 29823752

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 31, 37, 46, 52, 56, 62, 74, 91, 92, 104, 124, 148, 161, 182, 184, 217, 248, 259, 296, 299, 322, 364, 403, 434, 481, 518, 598, 644, 713, 728, 806, 851, 868, 962, 1036, 1147, 1196, 1288, 1426, 1612, 1702, 1736, 1924, 2072, 2093, 2294, 2392, 2821, 2852, 3224, 3367, 3404, 3848, 4186, 4588, 4991, 5642, 5704, 5957, 6734, 6808, 8029, 8372, 9176, 9269, 9982, 11063, 11284, 11914, 13468, 14911, 16058, 16744, 18538, 19964, 22126, 22568, 23828, 26381, 26936, 29822, 32116, 37076, 39928, 44252, 47656, 52762, 59644, 64232, 64883, 74152, 77441, 88504, 104377, 105524, 119288, 129766, 154882, 184667, 208754, 211048, 259532, 309764, 342953, 369334, 417508, 519064, 619528, 685906, 738668, 835016, 1371812, 1477336, 2400671, 2743624, 4801342, 9602684, 19205368]

約数ペア:

[(1, 19205368), (2, 9602684), (4, 4801342), (7, 2743624), (8, 2400671), (13, 1477336), (14, 1371812), (23, 835016), (26, 738668), (28, 685906), (31, 619528), (37, 519064), (46, 417508), (52, 369334), (56, 342953), (62, 309764), (74, 259532), (91, 211048), (92, 208754), (104, 184667), (124, 154882), (148, 129766), (161, 119288), (182, 105524), (184, 104377), (217, 88504), (248, 77441), (259, 74152), (296, 64883), (299, 64232), (322, 59644), (364, 52762), (403, 47656), (434, 44252), (481, 39928), (518, 37076), (598, 32116), (644, 29822), (713, 26936), (728, 26381), (806, 23828), (851, 22568), (868, 22126), (962, 19964), (1036, 18538), (1147, 16744), (1196, 16058), (1288, 14911), (1426, 13468), (1612, 11914), (1702, 11284), (1736, 11063), (1924, 9982), (2072, 9269), (2093, 9176), (2294, 8372), (2392, 8029), (2821, 6808), (2852, 6734), (3224, 5957), (3367, 5704), (3404, 5642), (3848, 4991), (4186, 4588)]