19663488

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 61877790

約数和(自身を除く): 42214302

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 101, 104, 117, 128, 144, 156, 169, 192, 202, 208, 234, 288, 303, 312, 338, 384, 404, 416, 468, 507, 576, 606, 624, 676, 808, 832, 909, 936, 1014, 1152, 1212, 1248, 1313, 1352, 1521, 1616, 1664, 1818, 1872, 2028, 2424, 2496, 2626, 2704, 3042, 3232, 3636, 3744, 3939, 4056, 4848, 4992, 5252, 5408, 6084, 6464, 7272, 7488, 7878, 8112, 9696, 10504, 10816, 11817, 12168, 12928, 14544, 14976, 15756, 16224, 17069, 19392, 21008, 21632, 23634, 24336, 29088, 31512, 32448, 34138, 38784, 42016, 47268, 48672, 51207, 58176, 63024, 64896, 68276, 84032, 94536, 97344, 102414, 116352, 126048, 136552, 153621, 168064, 189072, 194688, 204828, 252096, 273104, 307242, 378144, 409656, 504192, 546208, 614484, 756288, 819312, 1092416, 1228968, 1512576, 1638624, 2184832, 2457936, 3277248, 4915872, 6554496, 9831744, 19663488]

約数ペア:

[(1, 19663488), (2, 9831744), (3, 6554496), (4, 4915872), (6, 3277248), (8, 2457936), (9, 2184832), (12, 1638624), (13, 1512576), (16, 1228968), (18, 1092416), (24, 819312), (26, 756288), (32, 614484), (36, 546208), (39, 504192), (48, 409656), (52, 378144), (64, 307242), (72, 273104), (78, 252096), (96, 204828), (101, 194688), (104, 189072), (117, 168064), (128, 153621), (144, 136552), (156, 126048), (169, 116352), (192, 102414), (202, 97344), (208, 94536), (234, 84032), (288, 68276), (303, 64896), (312, 63024), (338, 58176), (384, 51207), (404, 48672), (416, 47268), (468, 42016), (507, 38784), (576, 34138), (606, 32448), (624, 31512), (676, 29088), (808, 24336), (832, 23634), (909, 21632), (936, 21008), (1014, 19392), (1152, 17069), (1212, 16224), (1248, 15756), (1313, 14976), (1352, 14544), (1521, 12928), (1616, 12168), (1664, 11817), (1818, 10816), (1872, 10504), (2028, 9696), (2424, 8112), (2496, 7878), (2626, 7488), (2704, 7272), (3042, 6464), (3232, 6084), (3636, 5408), (3744, 5252), (3939, 4992), (4056, 4848)]