18252204016

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2714

約数の個数: 80

約数和(自身を含む): 36776306880

約数和(自身を除く): 18524102864

約数列:

[1, 2, 4, 8, 16, 71, 73, 89, 142, 146, 178, 284, 292, 356, 568, 584, 712, 1136, 1168, 1424, 2473, 4946, 5183, 6319, 6497, 9892, 10366, 12638, 12994, 19784, 20732, 25276, 25988, 39568, 41464, 50552, 51976, 82928, 101104, 103952, 175583, 180529, 220097, 351166, 361058, 440194, 461287, 702332, 722116, 880388, 922574, 1404664, 1444232, 1760776, 1845148, 2809328, 2888464, 3521552, 3690296, 7380592, 12817559, 15626887, 16067081, 25635118, 31253774, 32134162, 51270236, 62507548, 64268324, 102540472, 125015096, 128536648, 205080944, 250030192, 257073296, 1140762751, 2281525502, 4563051004, 9126102008, 18252204016]

約数ペア:

[(1, 18252204016), (2, 9126102008), (4, 4563051004), (8, 2281525502), (16, 1140762751), (71, 257073296), (73, 250030192), (89, 205080944), (142, 128536648), (146, 125015096), (178, 102540472), (284, 64268324), (292, 62507548), (356, 51270236), (568, 32134162), (584, 31253774), (712, 25635118), (1136, 16067081), (1168, 15626887), (1424, 12817559), (2473, 7380592), (4946, 3690296), (5183, 3521552), (6319, 2888464), (6497, 2809328), (9892, 1845148), (10366, 1760776), (12638, 1444232), (12994, 1404664), (19784, 922574), (20732, 880388), (25276, 722116), (25988, 702332), (39568, 461287), (41464, 440194), (50552, 361058), (51976, 351166), (82928, 220097), (101104, 180529), (103952, 175583)]