19638432870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4921913}}^1$

素因数の和:4921949

約数の個数: 64

約数和(自身を含む): 56700449280

約数和(自身を除く): 37062016410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4921913, 9843826, 14765739, 24609565, 29531478, 34453391, 49219130, 68906782, 73828695, 93516347, 103360173, 147657390, 172266955, 187032694, 206720346, 280549041, 344533910, 467581735, 516800865, 561098082, 654614429, 935163470, 1033601730, 1309228858, 1402745205, 1963843287, 2805490410, 3273072145, 3927686574, 6546144290, 9819216435, 19638432870]

約数ペア:

[(1, 19638432870), (2, 9819216435), (3, 6546144290), (5, 3927686574), (6, 3273072145), (7, 2805490410), (10, 1963843287), (14, 1402745205), (15, 1309228858), (19, 1033601730), (21, 935163470), (30, 654614429), (35, 561098082), (38, 516800865), (42, 467581735), (57, 344533910), (70, 280549041), (95, 206720346), (105, 187032694), (114, 172266955), (133, 147657390), (190, 103360173), (210, 93516347), (266, 73828695), (285, 68906782), (399, 49219130), (570, 34453391), (665, 29531478), (798, 24609565), (1330, 14765739), (1995, 9843826), (3990, 4921913)]