19737824

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 40715136

約数和(自身を除く): 20977312

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 101, 124, 197, 202, 248, 394, 404, 496, 788, 808, 992, 1576, 1616, 3131, 3152, 3232, 6107, 6262, 6304, 12214, 12524, 19897, 24428, 25048, 39794, 48856, 50096, 79588, 97712, 100192, 159176, 195424, 318352, 616807, 636704, 1233614, 2467228, 4934456, 9868912, 19737824]

約数ペア:

[(1, 19737824), (2, 9868912), (4, 4934456), (8, 2467228), (16, 1233614), (31, 636704), (32, 616807), (62, 318352), (101, 195424), (124, 159176), (197, 100192), (202, 97712), (248, 79588), (394, 50096), (404, 48856), (496, 39794), (788, 25048), (808, 24428), (992, 19897), (1576, 12524), (1616, 12214), (3131, 6304), (3152, 6262), (3232, 6107)]