18888979644

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{3343}}^1$

素因数の和:3528

約数の個数: 144

約数和(自身を含む): 50714087424

約数和(自身を除く): 31825107780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 83, 93, 122, 124, 166, 183, 186, 244, 249, 279, 332, 366, 372, 498, 549, 558, 732, 747, 996, 1098, 1116, 1494, 1891, 2196, 2573, 2988, 3343, 3782, 5063, 5146, 5673, 6686, 7564, 7719, 10029, 10126, 10292, 11346, 13372, 15189, 15438, 17019, 20058, 20252, 22692, 23157, 30087, 30378, 30876, 34038, 40116, 45567, 46314, 60174, 60756, 68076, 91134, 92628, 103633, 120348, 156953, 182268, 203923, 207266, 277469, 310899, 313906, 407846, 414532, 470859, 554938, 611769, 621798, 627812, 815692, 832407, 932697, 941718, 1109876, 1223538, 1243596, 1412577, 1664814, 1835307, 1865394, 1883436, 2447076, 2497221, 2825154, 3329628, 3670614, 3730788, 4994442, 5650308, 6321613, 7341228, 8601539, 9988884, 12643226, 16925609, 17203078, 18964839, 25286452, 25804617, 33851218, 34406156, 37929678, 50776827, 51609234, 56894517, 67702436, 75859356, 77413851, 101553654, 103218468, 113789034, 152330481, 154827702, 203107308, 227578068, 304660962, 309655404, 524693879, 609321924, 1049387758, 1574081637, 2098775516, 3148163274, 4722244911, 6296326548, 9444489822, 18888979644]

約数ペア:

[(1, 18888979644), (2, 9444489822), (3, 6296326548), (4, 4722244911), (6, 3148163274), (9, 2098775516), (12, 1574081637), (18, 1049387758), (31, 609321924), (36, 524693879), (61, 309655404), (62, 304660962), (83, 227578068), (93, 203107308), (122, 154827702), (124, 152330481), (166, 113789034), (183, 103218468), (186, 101553654), (244, 77413851), (249, 75859356), (279, 67702436), (332, 56894517), (366, 51609234), (372, 50776827), (498, 37929678), (549, 34406156), (558, 33851218), (732, 25804617), (747, 25286452), (996, 18964839), (1098, 17203078), (1116, 16925609), (1494, 12643226), (1891, 9988884), (2196, 8601539), (2573, 7341228), (2988, 6321613), (3343, 5650308), (3782, 4994442), (5063, 3730788), (5146, 3670614), (5673, 3329628), (6686, 2825154), (7564, 2497221), (7719, 2447076), (10029, 1883436), (10126, 1865394), (10292, 1835307), (11346, 1664814), (13372, 1412577), (15189, 1243596), (15438, 1223538), (17019, 1109876), (20058, 941718), (20252, 932697), (22692, 832407), (23157, 815692), (30087, 627812), (30378, 621798), (30876, 611769), (34038, 554938), (40116, 470859), (45567, 414532), (46314, 407846), (60174, 313906), (60756, 310899), (68076, 277469), (91134, 207266), (92628, 203923), (103633, 182268), (120348, 156953)]