18601856

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 45638880

約数和(自身を除く): 27037024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1597, 1664, 2912, 3194, 5824, 6388, 11179, 11648, 12776, 20761, 22358, 25552, 41522, 44716, 51104, 83044, 89432, 102208, 145327, 166088, 178864, 204416, 290654, 332176, 357728, 581308, 664352, 715456, 1162616, 1328704, 1430912, 2325232, 2657408, 4650464, 9300928, 18601856]

約数ペア:

[(1, 18601856), (2, 9300928), (4, 4650464), (7, 2657408), (8, 2325232), (13, 1430912), (14, 1328704), (16, 1162616), (26, 715456), (28, 664352), (32, 581308), (52, 357728), (56, 332176), (64, 290654), (91, 204416), (104, 178864), (112, 166088), (128, 145327), (182, 102208), (208, 89432), (224, 83044), (364, 51104), (416, 44716), (448, 41522), (728, 25552), (832, 22358), (896, 20761), (1456, 12776), (1597, 11648), (1664, 11179), (2912, 6388), (3194, 5824)]