19591888

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 60

約数和(自身を含む): 42636160

約数和(自身を除く): 23044272

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 223, 272, 289, 304, 323, 446, 578, 646, 892, 1156, 1292, 1784, 2312, 2584, 3568, 3791, 4237, 4624, 5168, 5491, 7582, 8474, 10982, 15164, 16948, 21964, 30328, 33896, 43928, 60656, 64447, 67792, 72029, 87856, 128894, 144058, 257788, 288116, 515576, 576232, 1031152, 1152464, 1224493, 2448986, 4897972, 9795944, 19591888]

約数ペア:

[(1, 19591888), (2, 9795944), (4, 4897972), (8, 2448986), (16, 1224493), (17, 1152464), (19, 1031152), (34, 576232), (38, 515576), (68, 288116), (76, 257788), (136, 144058), (152, 128894), (223, 87856), (272, 72029), (289, 67792), (304, 64447), (323, 60656), (446, 43928), (578, 33896), (646, 30328), (892, 21964), (1156, 16948), (1292, 15164), (1784, 10982), (2312, 8474), (2584, 7582), (3568, 5491), (3791, 5168), (4237, 4624)]