19980723424

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{5039}}^1$

素因数の和:5300

約数の個数: 96

約数和(自身を含む): 43002368640

約数和(自身を除く): 23021645216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 197, 272, 296, 394, 544, 592, 629, 788, 1184, 1258, 1576, 2516, 3152, 3349, 5032, 5039, 6304, 6698, 7289, 10064, 10078, 13396, 14578, 20128, 20156, 26792, 29156, 40312, 53584, 58312, 80624, 85663, 107168, 116624, 123913, 161248, 171326, 186443, 233248, 247826, 342652, 372886, 495652, 685304, 745772, 991304, 992683, 1370608, 1491544, 1982608, 1985366, 2741216, 2983088, 3169531, 3965216, 3970732, 5966176, 6339062, 7941464, 12678124, 15882928, 16875611, 25356248, 31765856, 33751222, 36729271, 50712496, 67502444, 73458542, 101424992, 135004888, 146917084, 270009776, 293834168, 540019552, 587668336, 624397607, 1175336672, 1248795214, 2497590428, 4995180856, 9990361712, 19980723424]

約数ペア:

[(1, 19980723424), (2, 9990361712), (4, 4995180856), (8, 2497590428), (16, 1248795214), (17, 1175336672), (32, 624397607), (34, 587668336), (37, 540019552), (68, 293834168), (74, 270009776), (136, 146917084), (148, 135004888), (197, 101424992), (272, 73458542), (296, 67502444), (394, 50712496), (544, 36729271), (592, 33751222), (629, 31765856), (788, 25356248), (1184, 16875611), (1258, 15882928), (1576, 12678124), (2516, 7941464), (3152, 6339062), (3349, 5966176), (5032, 3970732), (5039, 3965216), (6304, 3169531), (6698, 2983088), (7289, 2741216), (10064, 1985366), (10078, 1982608), (13396, 1491544), (14578, 1370608), (20128, 992683), (20156, 991304), (26792, 745772), (29156, 685304), (40312, 495652), (53584, 372886), (58312, 342652), (80624, 247826), (85663, 233248), (107168, 186443), (116624, 171326), (123913, 161248)]