19401552

素因数分解:

$2^4\times 3^3\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:577

約数の個数: 80

約数和(自身を含む): 56385280

約数和(自身を除く): 36983728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 97, 108, 144, 194, 216, 291, 388, 432, 463, 582, 776, 873, 926, 1164, 1389, 1552, 1746, 1852, 2328, 2619, 2778, 3492, 3704, 4167, 4656, 5238, 5556, 6984, 7408, 8334, 10476, 11112, 12501, 13968, 16668, 20952, 22224, 25002, 33336, 41904, 44911, 50004, 66672, 89822, 100008, 134733, 179644, 200016, 269466, 359288, 404199, 538932, 718576, 808398, 1077864, 1212597, 1616796, 2155728, 2425194, 3233592, 4850388, 6467184, 9700776, 19401552]

約数ペア:

[(1, 19401552), (2, 9700776), (3, 6467184), (4, 4850388), (6, 3233592), (8, 2425194), (9, 2155728), (12, 1616796), (16, 1212597), (18, 1077864), (24, 808398), (27, 718576), (36, 538932), (48, 404199), (54, 359288), (72, 269466), (97, 200016), (108, 179644), (144, 134733), (194, 100008), (216, 89822), (291, 66672), (388, 50004), (432, 44911), (463, 41904), (582, 33336), (776, 25002), (873, 22224), (926, 20952), (1164, 16668), (1389, 13968), (1552, 12501), (1746, 11112), (1852, 10476), (2328, 8334), (2619, 7408), (2778, 6984), (3492, 5556), (3704, 5238), (4167, 4656)]