18228496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 42997248

約数和(自身を除く): 24768752

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 257, 286, 341, 403, 496, 514, 572, 682, 806, 1028, 1144, 1364, 1612, 2056, 2288, 2728, 2827, 3224, 3341, 4112, 4433, 5456, 5654, 6448, 6682, 7967, 8866, 11308, 13364, 15934, 17732, 22616, 26728, 31868, 35464, 36751, 45232, 53456, 63736, 70928, 73502, 87637, 103571, 127472, 147004, 175274, 207142, 294008, 350548, 414284, 588016, 701096, 828568, 1139281, 1402192, 1657136, 2278562, 4557124, 9114248, 18228496]

約数ペア:

[(1, 18228496), (2, 9114248), (4, 4557124), (8, 2278562), (11, 1657136), (13, 1402192), (16, 1139281), (22, 828568), (26, 701096), (31, 588016), (44, 414284), (52, 350548), (62, 294008), (88, 207142), (104, 175274), (124, 147004), (143, 127472), (176, 103571), (208, 87637), (248, 73502), (257, 70928), (286, 63736), (341, 53456), (403, 45232), (496, 36751), (514, 35464), (572, 31868), (682, 26728), (806, 22616), (1028, 17732), (1144, 15934), (1364, 13364), (1612, 11308), (2056, 8866), (2288, 7967), (2728, 6682), (2827, 6448), (3224, 5654), (3341, 5456), (4112, 4433)]