18948642075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{129763}}^1$

素因数の和:129849

約数の個数: 72

約数和(自身を含む): 37652322240

約数和(自身を除く): 18703680165

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 59, 75, 99, 165, 177, 225, 275, 295, 495, 531, 649, 825, 885, 1475, 1947, 2475, 2655, 3245, 4425, 5841, 9735, 13275, 16225, 29205, 48675, 129763, 146025, 389289, 648815, 1167867, 1427393, 1946445, 3244075, 4282179, 5839335, 7136965, 7656017, 9732225, 12846537, 21410895, 22968051, 29196675, 35684825, 38280085, 64232685, 68904153, 84216187, 107054475, 114840255, 191400425, 252648561, 321163425, 344520765, 421080935, 574201275, 757945683, 1263242805, 1722603825, 2105404675, 3789728415, 6316214025, 18948642075]

約数ペア:

[(1, 18948642075), (3, 6316214025), (5, 3789728415), (9, 2105404675), (11, 1722603825), (15, 1263242805), (25, 757945683), (33, 574201275), (45, 421080935), (55, 344520765), (59, 321163425), (75, 252648561), (99, 191400425), (165, 114840255), (177, 107054475), (225, 84216187), (275, 68904153), (295, 64232685), (495, 38280085), (531, 35684825), (649, 29196675), (825, 22968051), (885, 21410895), (1475, 12846537), (1947, 9732225), (2475, 7656017), (2655, 7136965), (3245, 5839335), (4425, 4282179), (5841, 3244075), (9735, 1946445), (13275, 1427393), (16225, 1167867), (29205, 648815), (48675, 389289), (129763, 146025)]