18879552

素因数分解:

$2^6\times 3^2\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 84

約数和(自身を含む): 54978300

約数和(自身を除く): 36098748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 73, 96, 144, 146, 192, 219, 288, 292, 438, 449, 576, 584, 657, 876, 898, 1168, 1314, 1347, 1752, 1796, 2336, 2628, 2694, 3504, 3592, 4041, 4672, 5256, 5388, 7008, 7184, 8082, 10512, 10776, 14016, 14368, 16164, 21024, 21552, 28736, 32328, 32777, 42048, 43104, 64656, 65554, 86208, 98331, 129312, 131108, 196662, 258624, 262216, 294993, 393324, 524432, 589986, 786648, 1048864, 1179972, 1573296, 2097728, 2359944, 3146592, 4719888, 6293184, 9439776, 18879552]

約数ペア:

[(1, 18879552), (2, 9439776), (3, 6293184), (4, 4719888), (6, 3146592), (8, 2359944), (9, 2097728), (12, 1573296), (16, 1179972), (18, 1048864), (24, 786648), (32, 589986), (36, 524432), (48, 393324), (64, 294993), (72, 262216), (73, 258624), (96, 196662), (144, 131108), (146, 129312), (192, 98331), (219, 86208), (288, 65554), (292, 64656), (438, 43104), (449, 42048), (576, 32777), (584, 32328), (657, 28736), (876, 21552), (898, 21024), (1168, 16164), (1314, 14368), (1347, 14016), (1752, 10776), (1796, 10512), (2336, 8082), (2628, 7184), (2694, 7008), (3504, 5388), (3592, 5256), (4041, 4672)]