16880436

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 49795200

約数和(自身を除く): 32914764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 29, 36, 37, 38, 46, 57, 58, 69, 74, 76, 87, 92, 111, 114, 116, 138, 148, 171, 174, 207, 222, 228, 261, 276, 333, 342, 348, 414, 437, 444, 522, 551, 666, 667, 684, 703, 828, 851, 874, 1044, 1073, 1102, 1311, 1332, 1334, 1406, 1653, 1702, 1748, 2001, 2109, 2146, 2204, 2553, 2622, 2668, 2812, 3219, 3306, 3404, 3933, 4002, 4218, 4292, 4959, 5106, 5244, 6003, 6327, 6438, 6612, 7659, 7866, 8004, 8436, 9657, 9918, 10212, 12006, 12654, 12673, 12876, 15318, 15732, 16169, 19314, 19836, 20387, 24012, 24679, 25308, 25346, 30636, 32338, 38019, 38628, 40774, 48507, 49358, 50692, 61161, 64676, 74037, 76038, 81548, 97014, 98716, 114057, 122322, 145521, 148074, 152076, 183483, 194028, 222111, 228114, 244644, 291042, 296148, 366966, 444222, 456228, 468901, 582084, 733932, 888444, 937802, 1406703, 1875604, 2813406, 4220109, 5626812, 8440218, 16880436]

約数ペア:

[(1, 16880436), (2, 8440218), (3, 5626812), (4, 4220109), (6, 2813406), (9, 1875604), (12, 1406703), (18, 937802), (19, 888444), (23, 733932), (29, 582084), (36, 468901), (37, 456228), (38, 444222), (46, 366966), (57, 296148), (58, 291042), (69, 244644), (74, 228114), (76, 222111), (87, 194028), (92, 183483), (111, 152076), (114, 148074), (116, 145521), (138, 122322), (148, 114057), (171, 98716), (174, 97014), (207, 81548), (222, 76038), (228, 74037), (261, 64676), (276, 61161), (333, 50692), (342, 49358), (348, 48507), (414, 40774), (437, 38628), (444, 38019), (522, 32338), (551, 30636), (666, 25346), (667, 25308), (684, 24679), (703, 24012), (828, 20387), (851, 19836), (874, 19314), (1044, 16169), (1073, 15732), (1102, 15318), (1311, 12876), (1332, 12673), (1334, 12654), (1406, 12006), (1653, 10212), (1702, 9918), (1748, 9657), (2001, 8436), (2109, 8004), (2146, 7866), (2204, 7659), (2553, 6612), (2622, 6438), (2668, 6327), (2812, 6003), (3219, 5244), (3306, 5106), (3404, 4959), (3933, 4292), (4002, 4218)]