18308864

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 44297568

約数和(自身を除く): 25988704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 601, 896, 952, 1088, 1202, 1792, 1904, 2176, 2404, 3808, 4207, 4352, 4808, 7616, 8414, 9616, 10217, 15232, 16828, 19232, 20434, 30464, 33656, 38464, 40868, 67312, 71519, 76928, 81736, 134624, 143038, 153856, 163472, 269248, 286076, 326944, 538496, 572152, 653888, 1076992, 1144304, 1307776, 2288608, 2615552, 4577216, 9154432, 18308864]

約数ペア:

[(1, 18308864), (2, 9154432), (4, 4577216), (7, 2615552), (8, 2288608), (14, 1307776), (16, 1144304), (17, 1076992), (28, 653888), (32, 572152), (34, 538496), (56, 326944), (64, 286076), (68, 269248), (112, 163472), (119, 153856), (128, 143038), (136, 134624), (224, 81736), (238, 76928), (256, 71519), (272, 67312), (448, 40868), (476, 38464), (544, 33656), (601, 30464), (896, 20434), (952, 19232), (1088, 16828), (1202, 15232), (1792, 10217), (1904, 9616), (2176, 8414), (2404, 7616), (3808, 4808), (4207, 4352)]