19117689728

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{52609}}^1$

素因数の和:52807

約数の個数: 64

約数和(自身を含む): 40568623200

約数和(自身を除く): 21450933472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 167, 272, 334, 544, 668, 1088, 1336, 2176, 2672, 2839, 5344, 5678, 10688, 11356, 21376, 22712, 45424, 52609, 90848, 105218, 181696, 210436, 363392, 420872, 841744, 894353, 1683488, 1788706, 3366976, 3577412, 6733952, 7154824, 8785703, 14309648, 17571406, 28619296, 35142812, 57238592, 70285624, 114477184, 140571248, 149356951, 281142496, 298713902, 562284992, 597427804, 1124569984, 1194855608, 2389711216, 4779422432, 9558844864, 19117689728]

約数ペア:

[(1, 19117689728), (2, 9558844864), (4, 4779422432), (8, 2389711216), (16, 1194855608), (17, 1124569984), (32, 597427804), (34, 562284992), (64, 298713902), (68, 281142496), (128, 149356951), (136, 140571248), (167, 114477184), (272, 70285624), (334, 57238592), (544, 35142812), (668, 28619296), (1088, 17571406), (1336, 14309648), (2176, 8785703), (2672, 7154824), (2839, 6733952), (5344, 3577412), (5678, 3366976), (10688, 1788706), (11356, 1683488), (21376, 894353), (22712, 841744), (45424, 420872), (52609, 363392), (90848, 210436), (105218, 181696)]