18319648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 20992352

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1039, 1102, 2078, 2204, 4156, 4408, 8312, 8816, 16624, 17632, 19741, 30131, 33248, 39482, 60262, 78964, 120524, 157928, 241048, 315856, 482096, 572489, 631712, 964192, 1144978, 2289956, 4579912, 9159824, 18319648]

約数ペア:

[(1, 18319648), (2, 9159824), (4, 4579912), (8, 2289956), (16, 1144978), (19, 964192), (29, 631712), (32, 572489), (38, 482096), (58, 315856), (76, 241048), (116, 157928), (152, 120524), (232, 78964), (304, 60262), (464, 39482), (551, 33248), (608, 30131), (928, 19741), (1039, 17632), (1102, 16624), (2078, 8816), (2204, 8312), (4156, 4408)]