19398064

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 45838336

約数和(自身を除く): 26440272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 151, 217, 248, 259, 296, 302, 434, 496, 518, 592, 604, 868, 1036, 1057, 1147, 1208, 1736, 2072, 2114, 2294, 2416, 3472, 4144, 4228, 4588, 4681, 5587, 8029, 8456, 9176, 9362, 11174, 16058, 16912, 18352, 18724, 22348, 32116, 32767, 37448, 39109, 44696, 64232, 65534, 74896, 78218, 89392, 128464, 131068, 156436, 173197, 262136, 312872, 346394, 524272, 625744, 692788, 1212379, 1385576, 2424758, 2771152, 4849516, 9699032, 19398064]

約数ペア:

[(1, 19398064), (2, 9699032), (4, 4849516), (7, 2771152), (8, 2424758), (14, 1385576), (16, 1212379), (28, 692788), (31, 625744), (37, 524272), (56, 346394), (62, 312872), (74, 262136), (112, 173197), (124, 156436), (148, 131068), (151, 128464), (217, 89392), (248, 78218), (259, 74896), (296, 65534), (302, 64232), (434, 44696), (496, 39109), (518, 37448), (592, 32767), (604, 32116), (868, 22348), (1036, 18724), (1057, 18352), (1147, 16912), (1208, 16058), (1736, 11174), (2072, 9362), (2114, 9176), (2294, 8456), (2416, 8029), (3472, 5587), (4144, 4681), (4228, 4588)]