19797240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{457}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 62819280

約数和(自身を除く): 43022040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 361, 380, 456, 457, 570, 722, 760, 914, 1083, 1140, 1371, 1444, 1805, 1828, 2166, 2280, 2285, 2742, 2888, 3610, 3656, 4332, 4570, 5415, 5484, 6855, 7220, 8664, 8683, 9140, 10830, 10968, 13710, 14440, 17366, 18280, 21660, 26049, 27420, 34732, 43320, 43415, 52098, 54840, 69464, 86830, 104196, 130245, 164977, 173660, 208392, 260490, 329954, 347320, 494931, 520980, 659908, 824885, 989862, 1041960, 1319816, 1649770, 1979724, 2474655, 3299540, 3959448, 4949310, 6599080, 9898620, 19797240]

約数ペア:

[(1, 19797240), (2, 9898620), (3, 6599080), (4, 4949310), (5, 3959448), (6, 3299540), (8, 2474655), (10, 1979724), (12, 1649770), (15, 1319816), (19, 1041960), (20, 989862), (24, 824885), (30, 659908), (38, 520980), (40, 494931), (57, 347320), (60, 329954), (76, 260490), (95, 208392), (114, 173660), (120, 164977), (152, 130245), (190, 104196), (228, 86830), (285, 69464), (361, 54840), (380, 52098), (456, 43415), (457, 43320), (570, 34732), (722, 27420), (760, 26049), (914, 21660), (1083, 18280), (1140, 17366), (1371, 14440), (1444, 13710), (1805, 10968), (1828, 10830), (2166, 9140), (2280, 8683), (2285, 8664), (2742, 7220), (2888, 6855), (3610, 5484), (3656, 5415), (4332, 4570)]