18340901406

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{243707}}^1$

素因数の和:243865

約数の個数: 48

約数和(自身を含む): 41173979184

約数和(自身を除く): 22833077778

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 113, 222, 226, 333, 339, 666, 678, 1017, 2034, 4181, 8362, 12543, 25086, 37629, 75258, 243707, 487414, 731121, 1462242, 2193363, 4386726, 9017159, 18034318, 27051477, 27538891, 54102954, 55077782, 81154431, 82616673, 162308862, 165233346, 247850019, 495700038, 1018938967, 2037877934, 3056816901, 6113633802, 9170450703, 18340901406]

約数ペア:

[(1, 18340901406), (2, 9170450703), (3, 6113633802), (6, 3056816901), (9, 2037877934), (18, 1018938967), (37, 495700038), (74, 247850019), (111, 165233346), (113, 162308862), (222, 82616673), (226, 81154431), (333, 55077782), (339, 54102954), (666, 27538891), (678, 27051477), (1017, 18034318), (2034, 9017159), (4181, 4386726), (8362, 2193363), (12543, 1462242), (25086, 731121), (37629, 487414), (75258, 243707)]