18245344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 21127136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 719, 793, 976, 1438, 1586, 1952, 2876, 3172, 5752, 6344, 9347, 11504, 12688, 18694, 23008, 25376, 37388, 43859, 74776, 87718, 149552, 175436, 299104, 350872, 570167, 701744, 1140334, 1403488, 2280668, 4561336, 9122672, 18245344]

約数ペア:

[(1, 18245344), (2, 9122672), (4, 4561336), (8, 2280668), (13, 1403488), (16, 1140334), (26, 701744), (32, 570167), (52, 350872), (61, 299104), (104, 175436), (122, 149552), (208, 87718), (244, 74776), (416, 43859), (488, 37388), (719, 25376), (793, 23008), (976, 18694), (1438, 12688), (1586, 11504), (1952, 9347), (2876, 6344), (3172, 5752)]