18719234432

素因数分解:

$2^7\times {\mathrm{31}}^3\times {\mathrm{4909}}^1$

素因数の和:5016

約数の個数: 64

約数和(自身を含む): 38543107200

約数和(自身を除く): 19823872768

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1922, 1984, 3844, 3968, 4909, 7688, 9818, 15376, 19636, 29791, 30752, 39272, 59582, 61504, 78544, 119164, 123008, 152179, 157088, 238328, 304358, 314176, 476656, 608716, 628352, 953312, 1217432, 1906624, 2434864, 3813248, 4717549, 4869728, 9435098, 9739456, 18870196, 19478912, 37740392, 75480784, 146244019, 150961568, 292488038, 301923136, 584976076, 603846272, 1169952152, 2339904304, 4679808608, 9359617216, 18719234432]

約数ペア:

[(1, 18719234432), (2, 9359617216), (4, 4679808608), (8, 2339904304), (16, 1169952152), (31, 603846272), (32, 584976076), (62, 301923136), (64, 292488038), (124, 150961568), (128, 146244019), (248, 75480784), (496, 37740392), (961, 19478912), (992, 18870196), (1922, 9739456), (1984, 9435098), (3844, 4869728), (3968, 4717549), (4909, 3813248), (7688, 2434864), (9818, 1906624), (15376, 1217432), (19636, 953312), (29791, 628352), (30752, 608716), (39272, 476656), (59582, 314176), (61504, 304358), (78544, 238328), (119164, 157088), (123008, 152179)]