17940076

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 40851216

約数和(自身を除く): 22911140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 53, 77, 98, 106, 154, 157, 196, 212, 308, 314, 371, 539, 583, 628, 742, 1078, 1099, 1166, 1484, 1727, 2156, 2198, 2332, 2597, 3454, 4081, 4396, 5194, 6908, 7693, 8162, 8321, 10388, 12089, 15386, 16324, 16642, 24178, 28567, 30772, 33284, 48356, 57134, 58247, 84623, 91531, 114268, 116494, 169246, 183062, 232988, 338492, 366124, 407729, 640717, 815458, 1281434, 1630916, 2562868, 4485019, 8970038, 17940076]

約数ペア:

[(1, 17940076), (2, 8970038), (4, 4485019), (7, 2562868), (11, 1630916), (14, 1281434), (22, 815458), (28, 640717), (44, 407729), (49, 366124), (53, 338492), (77, 232988), (98, 183062), (106, 169246), (154, 116494), (157, 114268), (196, 91531), (212, 84623), (308, 58247), (314, 57134), (371, 48356), (539, 33284), (583, 30772), (628, 28567), (742, 24178), (1078, 16642), (1099, 16324), (1166, 15386), (1484, 12089), (1727, 10388), (2156, 8321), (2198, 8162), (2332, 7693), (2597, 6908), (3454, 5194), (4081, 4396)]