8440218

素因数分解:

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

素因数の和:116

約数の個数: 96

約数和(自身を含む): 21340800

約数和(自身を除く): 12900582

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 29, 37, 38, 46, 57, 58, 69, 74, 87, 111, 114, 138, 171, 174, 207, 222, 261, 333, 342, 414, 437, 522, 551, 666, 667, 703, 851, 874, 1073, 1102, 1311, 1334, 1406, 1653, 1702, 2001, 2109, 2146, 2553, 2622, 3219, 3306, 3933, 4002, 4218, 4959, 5106, 6003, 6327, 6438, 7659, 7866, 9657, 9918, 12006, 12654, 12673, 15318, 16169, 19314, 20387, 24679, 25346, 32338, 38019, 40774, 48507, 49358, 61161, 74037, 76038, 97014, 114057, 122322, 145521, 148074, 183483, 222111, 228114, 291042, 366966, 444222, 468901, 937802, 1406703, 2813406, 4220109, 8440218]

約数ペア:

[(1, 8440218), (2, 4220109), (3, 2813406), (6, 1406703), (9, 937802), (18, 468901), (19, 444222), (23, 366966), (29, 291042), (37, 228114), (38, 222111), (46, 183483), (57, 148074), (58, 145521), (69, 122322), (74, 114057), (87, 97014), (111, 76038), (114, 74037), (138, 61161), (171, 49358), (174, 48507), (207, 40774), (222, 38019), (261, 32338), (333, 25346), (342, 24679), (414, 20387), (437, 19314), (522, 16169), (551, 15318), (666, 12673), (667, 12654), (703, 12006), (851, 9918), (874, 9657), (1073, 7866), (1102, 7659), (1311, 6438), (1334, 6327), (1406, 6003), (1653, 5106), (1702, 4959), (2001, 4218), (2109, 4002), (2146, 3933), (2553, 3306), (2622, 3219)]