18859968

素因数分解:

$2^6\times 3^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 84

約数和(自身を含む): 54681120

約数和(自身を除く): 35821152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 137, 144, 192, 239, 274, 288, 411, 478, 548, 576, 717, 822, 956, 1096, 1233, 1434, 1644, 1912, 2151, 2192, 2466, 2868, 3288, 3824, 4302, 4384, 4932, 5736, 6576, 7648, 8604, 8768, 9864, 11472, 13152, 15296, 17208, 19728, 22944, 26304, 32743, 34416, 39456, 45888, 65486, 68832, 78912, 98229, 130972, 137664, 196458, 261944, 294687, 392916, 523888, 589374, 785832, 1047776, 1178748, 1571664, 2095552, 2357496, 3143328, 4714992, 6286656, 9429984, 18859968]

約数ペア:

[(1, 18859968), (2, 9429984), (3, 6286656), (4, 4714992), (6, 3143328), (8, 2357496), (9, 2095552), (12, 1571664), (16, 1178748), (18, 1047776), (24, 785832), (32, 589374), (36, 523888), (48, 392916), (64, 294687), (72, 261944), (96, 196458), (137, 137664), (144, 130972), (192, 98229), (239, 78912), (274, 68832), (288, 65486), (411, 45888), (478, 39456), (548, 34416), (576, 32743), (717, 26304), (822, 22944), (956, 19728), (1096, 17208), (1233, 15296), (1434, 13152), (1644, 11472), (1912, 9864), (2151, 8768), (2192, 8604), (2466, 7648), (2868, 6576), (3288, 5736), (3824, 4932), (4302, 4384)]