19169176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 41580000

約数和(自身を除く): 22410824

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 89, 104, 109, 152, 178, 218, 247, 356, 436, 494, 712, 872, 988, 1157, 1417, 1691, 1976, 2071, 2314, 2834, 3382, 4142, 4628, 5668, 6764, 8284, 9256, 9701, 11336, 13528, 16568, 19402, 21983, 26923, 38804, 43966, 53846, 77608, 87932, 107692, 126113, 175864, 184319, 215384, 252226, 368638, 504452, 737276, 1008904, 1474552, 2396147, 4792294, 9584588, 19169176]

約数ペア:

[(1, 19169176), (2, 9584588), (4, 4792294), (8, 2396147), (13, 1474552), (19, 1008904), (26, 737276), (38, 504452), (52, 368638), (76, 252226), (89, 215384), (104, 184319), (109, 175864), (152, 126113), (178, 107692), (218, 87932), (247, 77608), (356, 53846), (436, 43966), (494, 38804), (712, 26923), (872, 21983), (988, 19402), (1157, 16568), (1417, 13528), (1691, 11336), (1976, 9701), (2071, 9256), (2314, 8284), (2834, 6764), (3382, 5668), (4142, 4628)]