19220364

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32147316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 167, 207, 276, 278, 334, 414, 417, 501, 556, 668, 828, 834, 1002, 1251, 1503, 1668, 2004, 2502, 3006, 3197, 3841, 5004, 6012, 6394, 7682, 9591, 11523, 12788, 15364, 19182, 23046, 23213, 28773, 34569, 38364, 46092, 46426, 57546, 69138, 69639, 92852, 115092, 138276, 139278, 208917, 278556, 417834, 533899, 835668, 1067798, 1601697, 2135596, 3203394, 4805091, 6406788, 9610182, 19220364]

約数ペア:

[(1, 19220364), (2, 9610182), (3, 6406788), (4, 4805091), (6, 3203394), (9, 2135596), (12, 1601697), (18, 1067798), (23, 835668), (36, 533899), (46, 417834), (69, 278556), (92, 208917), (138, 139278), (139, 138276), (167, 115092), (207, 92852), (276, 69639), (278, 69138), (334, 57546), (414, 46426), (417, 46092), (501, 38364), (556, 34569), (668, 28773), (828, 23213), (834, 23046), (1002, 19182), (1251, 15364), (1503, 12788), (1668, 11523), (2004, 9591), (2502, 7682), (3006, 6394), (3197, 6012), (3841, 5004)]