19878864

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 35117616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 71, 76, 114, 142, 152, 213, 228, 284, 304, 307, 426, 456, 568, 614, 852, 912, 921, 1136, 1228, 1349, 1704, 1842, 2456, 2698, 3408, 3684, 4047, 4912, 5396, 5833, 7368, 8094, 10792, 11666, 14736, 16188, 17499, 21584, 21797, 23332, 32376, 34998, 43594, 46664, 64752, 65391, 69996, 87188, 93328, 130782, 139992, 174376, 261564, 279984, 348752, 414143, 523128, 828286, 1046256, 1242429, 1656572, 2484858, 3313144, 4969716, 6626288, 9939432, 19878864]

約数ペア:

[(1, 19878864), (2, 9939432), (3, 6626288), (4, 4969716), (6, 3313144), (8, 2484858), (12, 1656572), (16, 1242429), (19, 1046256), (24, 828286), (38, 523128), (48, 414143), (57, 348752), (71, 279984), (76, 261564), (114, 174376), (142, 139992), (152, 130782), (213, 93328), (228, 87188), (284, 69996), (304, 65391), (307, 64752), (426, 46664), (456, 43594), (568, 34998), (614, 32376), (852, 23332), (912, 21797), (921, 21584), (1136, 17499), (1228, 16188), (1349, 14736), (1704, 11666), (1842, 10792), (2456, 8094), (2698, 7368), (3408, 5833), (3684, 5396), (4047, 4912)]