19691378355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{140237}}^1$

素因数の和:140316

約数の個数: 64

約数和(自身を含む): 36834352128

約数和(自身を除く): 17142973773

約数列:

[1, 3, 5, 11, 15, 23, 33, 37, 55, 69, 111, 115, 165, 185, 253, 345, 407, 555, 759, 851, 1221, 1265, 2035, 2553, 3795, 4255, 6105, 9361, 12765, 28083, 46805, 140237, 140415, 420711, 701185, 1542607, 2103555, 3225451, 4627821, 5188769, 7713035, 9676353, 15566307, 16127255, 23139105, 25943845, 35479961, 48381765, 57076459, 77831535, 106439883, 119341687, 171229377, 177399805, 285382295, 358025061, 532199415, 596708435, 856146885, 1312758557, 1790125305, 3938275671, 6563792785, 19691378355]

約数ペア:

[(1, 19691378355), (3, 6563792785), (5, 3938275671), (11, 1790125305), (15, 1312758557), (23, 856146885), (33, 596708435), (37, 532199415), (55, 358025061), (69, 285382295), (111, 177399805), (115, 171229377), (165, 119341687), (185, 106439883), (253, 77831535), (345, 57076459), (407, 48381765), (555, 35479961), (759, 25943845), (851, 23139105), (1221, 16127255), (1265, 15566307), (2035, 9676353), (2553, 7713035), (3795, 5188769), (4255, 4627821), (6105, 3225451), (9361, 2103555), (12765, 1542607), (28083, 701185), (46805, 420711), (140237, 140415)]