19415528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 22445272

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 67, 74, 88, 89, 134, 148, 178, 268, 296, 356, 407, 536, 712, 737, 814, 979, 1474, 1628, 1958, 2479, 2948, 3256, 3293, 3916, 4958, 5896, 5963, 6586, 7832, 9916, 11926, 13172, 19832, 23852, 26344, 27269, 36223, 47704, 54538, 65593, 72446, 109076, 131186, 144892, 218152, 220631, 262372, 289784, 441262, 524744, 882524, 1765048, 2426941, 4853882, 9707764, 19415528]

約数ペア:

[(1, 19415528), (2, 9707764), (4, 4853882), (8, 2426941), (11, 1765048), (22, 882524), (37, 524744), (44, 441262), (67, 289784), (74, 262372), (88, 220631), (89, 218152), (134, 144892), (148, 131186), (178, 109076), (268, 72446), (296, 65593), (356, 54538), (407, 47704), (536, 36223), (712, 27269), (737, 26344), (814, 23852), (979, 19832), (1474, 13172), (1628, 11926), (1958, 9916), (2479, 7832), (2948, 6586), (3256, 5963), (3293, 5896), (3916, 4958)]