19698842368

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{11131}}^1$

素因数の和:11401

約数の個数: 72

約数和(自身を含む): 40774823936

約数和(自身を除く): 21075981568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 223, 248, 256, 446, 496, 892, 992, 1784, 1984, 3568, 3968, 6913, 7136, 7936, 11131, 13826, 14272, 22262, 27652, 28544, 44524, 55304, 57088, 89048, 110608, 178096, 221216, 345061, 356192, 442432, 690122, 712384, 884864, 1380244, 1424768, 1769728, 2482213, 2760488, 2849536, 4964426, 5520976, 9928852, 11041952, 19857704, 22083904, 39715408, 44167808, 76948603, 79430816, 88335616, 153897206, 158861632, 307794412, 317723264, 615588824, 635446528, 1231177648, 2462355296, 4924710592, 9849421184, 19698842368]

約数ペア:

[(1, 19698842368), (2, 9849421184), (4, 4924710592), (8, 2462355296), (16, 1231177648), (31, 635446528), (32, 615588824), (62, 317723264), (64, 307794412), (124, 158861632), (128, 153897206), (223, 88335616), (248, 79430816), (256, 76948603), (446, 44167808), (496, 39715408), (892, 22083904), (992, 19857704), (1784, 11041952), (1984, 9928852), (3568, 5520976), (3968, 4964426), (6913, 2849536), (7136, 2760488), (7936, 2482213), (11131, 1769728), (13826, 1424768), (14272, 1380244), (22262, 884864), (27652, 712384), (28544, 690122), (44524, 442432), (55304, 356192), (57088, 345061), (89048, 221216), (110608, 178096)]