19490064399

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1\times {\mathrm{829}}^1$

素因数の和:1206

約数の個数: 80

約数和(自身を含む): 31888533600

約数和(自身を除く): 12398469201

約数列:

[1, 3, 9, 13, 27, 39, 81, 83, 117, 249, 269, 351, 747, 807, 829, 1053, 1079, 2241, 2421, 2487, 3237, 3497, 6723, 7263, 7461, 9711, 10491, 10777, 21789, 22327, 22383, 29133, 31473, 32331, 66981, 67149, 68807, 87399, 94419, 96993, 200943, 206421, 223001, 283257, 290251, 290979, 602829, 619263, 669003, 870753, 872937, 894491, 1808487, 1857789, 2007009, 2612259, 2683473, 2899013, 5573367, 6021027, 7836777, 8050419, 8697039, 18063081, 18509083, 23510331, 24151257, 26091117, 55527249, 72453771, 78273351, 166581747, 234820053, 240618079, 499745241, 721854237, 1499235723, 2165562711, 6496688133, 19490064399]

約数ペア:

[(1, 19490064399), (3, 6496688133), (9, 2165562711), (13, 1499235723), (27, 721854237), (39, 499745241), (81, 240618079), (83, 234820053), (117, 166581747), (249, 78273351), (269, 72453771), (351, 55527249), (747, 26091117), (807, 24151257), (829, 23510331), (1053, 18509083), (1079, 18063081), (2241, 8697039), (2421, 8050419), (2487, 7836777), (3237, 6021027), (3497, 5573367), (6723, 2899013), (7263, 2683473), (7461, 2612259), (9711, 2007009), (10491, 1857789), (10777, 1808487), (21789, 894491), (22327, 872937), (22383, 870753), (29133, 669003), (31473, 619263), (32331, 602829), (66981, 290979), (67149, 290251), (68807, 283257), (87399, 223001), (94419, 206421), (96993, 200943)]