18720068864

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{360223}}^1$

素因数の和:360275

約数の個数: 72

約数和(自身を含む): 44177871360

約数和(自身を除く): 25457802496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 812, 896, 928, 1624, 1792, 1856, 3248, 3712, 6496, 7424, 12992, 25984, 51968, 360223, 720446, 1440892, 2521561, 2881784, 5043122, 5763568, 10086244, 10446467, 11527136, 20172488, 20892934, 23054272, 40344976, 41785868, 46108544, 73125269, 80689952, 83571736, 92217088, 146250538, 161379904, 167143472, 292501076, 322759808, 334286944, 585002152, 645519616, 668573888, 1170004304, 1337147776, 2340008608, 2674295552, 4680017216, 9360034432, 18720068864]

約数ペア:

[(1, 18720068864), (2, 9360034432), (4, 4680017216), (7, 2674295552), (8, 2340008608), (14, 1337147776), (16, 1170004304), (28, 668573888), (29, 645519616), (32, 585002152), (56, 334286944), (58, 322759808), (64, 292501076), (112, 167143472), (116, 161379904), (128, 146250538), (203, 92217088), (224, 83571736), (232, 80689952), (256, 73125269), (406, 46108544), (448, 41785868), (464, 40344976), (812, 23054272), (896, 20892934), (928, 20172488), (1624, 11527136), (1792, 10446467), (1856, 10086244), (3248, 5763568), (3712, 5043122), (6496, 2881784), (7424, 2521561), (12992, 1440892), (25984, 720446), (51968, 360223)]