19994615472

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{212203}}^1$

素因数の和:212378

約数の個数: 80

約数和(自身を含む): 55994693888

約数和(自身を除く): 36000078416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 151, 156, 208, 302, 312, 453, 604, 624, 906, 1208, 1812, 1963, 2416, 3624, 3926, 5889, 7248, 7852, 11778, 15704, 23556, 31408, 47112, 94224, 212203, 424406, 636609, 848812, 1273218, 1697624, 2546436, 2758639, 3395248, 5092872, 5517278, 8275917, 10185744, 11034556, 16551834, 22069112, 32042653, 33103668, 44138224, 64085306, 66207336, 96127959, 128170612, 132414672, 192255918, 256341224, 384511836, 416554489, 512682448, 769023672, 833108978, 1249663467, 1538047344, 1666217956, 2499326934, 3332435912, 4998653868, 6664871824, 9997307736, 19994615472]

約数ペア:

[(1, 19994615472), (2, 9997307736), (3, 6664871824), (4, 4998653868), (6, 3332435912), (8, 2499326934), (12, 1666217956), (13, 1538047344), (16, 1249663467), (24, 833108978), (26, 769023672), (39, 512682448), (48, 416554489), (52, 384511836), (78, 256341224), (104, 192255918), (151, 132414672), (156, 128170612), (208, 96127959), (302, 66207336), (312, 64085306), (453, 44138224), (604, 33103668), (624, 32042653), (906, 22069112), (1208, 16551834), (1812, 11034556), (1963, 10185744), (2416, 8275917), (3624, 5517278), (3926, 5092872), (5889, 3395248), (7248, 2758639), (7852, 2546436), (11778, 1697624), (15704, 1273218), (23556, 848812), (31408, 636609), (47112, 424406), (94224, 212203)]